Frequencies for veh_aux dataset : by Jean Roth , jroth@nber.org , 18 Apr 2016 Frequencies for year variable in veh_aux dataset : year | Freq. Percent Cum. ------------+----------------------------------- 2001 | 638 100.00 100.00 ------------+----------------------------------- Total | 638 100.00 Frequencies for veh_no variable in veh_aux dataset : VEHICLE # | Freq. Percent Cum. ------------+----------------------------------- 1 | 469 73.51 73.51 2 | 145 22.73 96.24 3 | 18 2.82 99.06 4 | 3 0.47 99.53 5 | 2 0.31 99.84 6 | 1 0.16 100.00 ------------+----------------------------------- Total | 638 100.00 Frequencies for st_case variable in veh_aux dataset : st_case | Freq. Percent Cum. ------------+----------------------------------- 430001 | 1 0.16 0.16 430002 | 1 0.16 0.31 430003 | 1 0.16 0.47 430004 | 1 0.16 0.63 430005 | 1 0.16 0.78 430006 | 1 0.16 0.94 430007 | 1 0.16 1.10 430008 | 2 0.31 1.41 430009 | 1 0.16 1.57 430010 | 1 0.16 1.72 430011 | 1 0.16 1.88 430012 | 1 0.16 2.04 430013 | 3 0.47 2.51 430014 | 1 0.16 2.66 430015 | 1 0.16 2.82 430016 | 2 0.31 3.13 430017 | 1 0.16 3.29 430018 | 3 0.47 3.76 430019 | 1 0.16 3.92 430020 | 1 0.16 4.08 430021 | 2 0.31 4.39 430022 | 1 0.16 4.55 430023 | 1 0.16 4.70 430024 | 3 0.47 5.17 430025 | 1 0.16 5.33 430026 | 1 0.16 5.49 430027 | 2 0.31 5.80 430028 | 1 0.16 5.96 430029 | 1 0.16 6.11 430030 | 1 0.16 6.27 430031 | 1 0.16 6.43 430032 | 2 0.31 6.74 430033 | 1 0.16 6.90 430034 | 2 0.31 7.21 430035 | 1 0.16 7.37 430036 | 2 0.31 7.68 430037 | 1 0.16 7.84 430038 | 1 0.16 7.99 430039 | 1 0.16 8.15 430040 | 1 0.16 8.31 430041 | 2 0.31 8.62 430042 | 1 0.16 8.78 430043 | 1 0.16 8.93 430044 | 1 0.16 9.09 430045 | 1 0.16 9.25 430046 | 1 0.16 9.40 430047 | 1 0.16 9.56 430048 | 1 0.16 9.72 430049 | 1 0.16 9.87 430050 | 2 0.31 10.19 430051 | 2 0.31 10.50 430052 | 1 0.16 10.66 430053 | 1 0.16 10.82 430054 | 1 0.16 10.97 430055 | 2 0.31 11.29 430056 | 1 0.16 11.44 430057 | 1 0.16 11.60 430058 | 2 0.31 11.91 430059 | 2 0.31 12.23 430060 | 1 0.16 12.38 430061 | 1 0.16 12.54 430062 | 2 0.31 12.85 430063 | 1 0.16 13.01 430064 | 1 0.16 13.17 430065 | 1 0.16 13.32 430066 | 1 0.16 13.48 430067 | 1 0.16 13.64 430068 | 2 0.31 13.95 430069 | 2 0.31 14.26 430070 | 1 0.16 14.42 430071 | 1 0.16 14.58 430072 | 2 0.31 14.89 430073 | 1 0.16 15.05 430074 | 3 0.47 15.52 430075 | 1 0.16 15.67 430076 | 2 0.31 15.99 430077 | 2 0.31 16.30 430078 | 2 0.31 16.61 430079 | 1 0.16 16.77 430080 | 2 0.31 17.08 430081 | 1 0.16 17.24 430082 | 2 0.31 17.55 430083 | 2 0.31 17.87 430084 | 1 0.16 18.03 430085 | 1 0.16 18.18 430086 | 1 0.16 18.34 430087 | 2 0.31 18.65 430088 | 1 0.16 18.81 430089 | 1 0.16 18.97 430090 | 2 0.31 19.28 430091 | 1 0.16 19.44 430092 | 2 0.31 19.75 430093 | 1 0.16 19.91 430094 | 1 0.16 20.06 430095 | 1 0.16 20.22 430096 | 1 0.16 20.38 430097 | 3 0.47 20.85 430098 | 1 0.16 21.00 430099 | 1 0.16 21.16 430100 | 1 0.16 21.32 430101 | 1 0.16 21.47 430102 | 1 0.16 21.63 430103 | 2 0.31 21.94 430104 | 1 0.16 22.10 430105 | 1 0.16 22.26 430106 | 2 0.31 22.57 430107 | 1 0.16 22.73 430108 | 2 0.31 23.04 430109 | 1 0.16 23.20 430110 | 1 0.16 23.35 430111 | 1 0.16 23.51 430112 | 1 0.16 23.67 430113 | 2 0.31 23.98 430114 | 1 0.16 24.14 430115 | 1 0.16 24.29 430116 | 2 0.31 24.61 430117 | 1 0.16 24.76 430118 | 1 0.16 24.92 430119 | 1 0.16 25.08 430120 | 1 0.16 25.24 430121 | 1 0.16 25.39 430122 | 1 0.16 25.55 430123 | 2 0.31 25.86 430124 | 6 0.94 26.80 430125 | 1 0.16 26.96 430126 | 1 0.16 27.12 430127 | 1 0.16 27.27 430128 | 1 0.16 27.43 430129 | 1 0.16 27.59 430130 | 1 0.16 27.74 430131 | 1 0.16 27.90 430132 | 1 0.16 28.06 430133 | 2 0.31 28.37 430134 | 1 0.16 28.53 430135 | 2 0.31 28.84 430136 | 1 0.16 29.00 430137 | 1 0.16 29.15 430138 | 2 0.31 29.47 430139 | 1 0.16 29.62 430140 | 1 0.16 29.78 430141 | 2 0.31 30.09 430142 | 1 0.16 30.25 430143 | 1 0.16 30.41 430144 | 2 0.31 30.72 430145 | 1 0.16 30.88 430146 | 2 0.31 31.19 430147 | 3 0.47 31.66 430148 | 1 0.16 31.82 430149 | 1 0.16 31.97 430150 | 1 0.16 32.13 430151 | 1 0.16 32.29 430152 | 3 0.47 32.76 430153 | 2 0.31 33.07 430154 | 1 0.16 33.23 430155 | 1 0.16 33.39 430156 | 1 0.16 33.54 430157 | 1 0.16 33.70 430158 | 1 0.16 33.86 430159 | 1 0.16 34.01 430160 | 1 0.16 34.17 430161 | 1 0.16 34.33 430162 | 1 0.16 34.48 430163 | 1 0.16 34.64 430164 | 1 0.16 34.80 430165 | 1 0.16 34.95 430166 | 1 0.16 35.11 430167 | 1 0.16 35.27 430168 | 2 0.31 35.58 430169 | 1 0.16 35.74 430170 | 1 0.16 35.89 430171 | 1 0.16 36.05 430172 | 2 0.31 36.36 430173 | 2 0.31 36.68 430174 | 1 0.16 36.83 430175 | 2 0.31 37.15 430176 | 1 0.16 37.30 430177 | 2 0.31 37.62 430178 | 1 0.16 37.77 430179 | 2 0.31 38.09 430180 | 1 0.16 38.24 430181 | 1 0.16 38.40 430182 | 1 0.16 38.56 430183 | 1 0.16 38.71 430184 | 2 0.31 39.03 430185 | 1 0.16 39.18 430186 | 1 0.16 39.34 430187 | 1 0.16 39.50 430188 | 2 0.31 39.81 430189 | 1 0.16 39.97 430190 | 2 0.31 40.28 430191 | 2 0.31 40.60 430192 | 1 0.16 40.75 430193 | 1 0.16 40.91 430194 | 2 0.31 41.22 430195 | 1 0.16 41.38 430196 | 1 0.16 41.54 430197 | 1 0.16 41.69 430198 | 1 0.16 41.85 430199 | 1 0.16 42.01 430200 | 2 0.31 42.32 430201 | 2 0.31 42.63 430202 | 2 0.31 42.95 430203 | 1 0.16 43.10 430204 | 1 0.16 43.26 430205 | 2 0.31 43.57 430206 | 1 0.16 43.73 430207 | 2 0.31 44.04 430208 | 2 0.31 44.36 430209 | 1 0.16 44.51 430210 | 3 0.47 44.98 430211 | 2 0.31 45.30 430212 | 3 0.47 45.77 430213 | 1 0.16 45.92 430214 | 1 0.16 46.08 430215 | 1 0.16 46.24 430216 | 1 0.16 46.39 430217 | 1 0.16 46.55 430218 | 3 0.47 47.02 430219 | 1 0.16 47.18 430221 | 1 0.16 47.34 430222 | 1 0.16 47.49 430223 | 1 0.16 47.65 430224 | 1 0.16 47.81 430225 | 1 0.16 47.96 430226 | 1 0.16 48.12 430227 | 1 0.16 48.28 430228 | 1 0.16 48.43 430229 | 1 0.16 48.59 430230 | 1 0.16 48.75 430231 | 1 0.16 48.90 430232 | 1 0.16 49.06 430233 | 1 0.16 49.22 430234 | 4 0.63 49.84 430235 | 2 0.31 50.16 430236 | 1 0.16 50.31 430237 | 2 0.31 50.63 430238 | 2 0.31 50.94 430239 | 2 0.31 51.25 430240 | 2 0.31 51.57 430241 | 1 0.16 51.72 430242 | 1 0.16 51.88 430243 | 1 0.16 52.04 430244 | 1 0.16 52.19 430245 | 2 0.31 52.51 430246 | 1 0.16 52.66 430247 | 1 0.16 52.82 430248 | 2 0.31 53.13 430249 | 1 0.16 53.29 430250 | 1 0.16 53.45 430251 | 2 0.31 53.76 430252 | 1 0.16 53.92 430253 | 2 0.31 54.23 430254 | 1 0.16 54.39 430255 | 1 0.16 54.55 430256 | 2 0.31 54.86 430257 | 1 0.16 55.02 430258 | 1 0.16 55.17 430259 | 2 0.31 55.49 430260 | 2 0.31 55.80 430261 | 1 0.16 55.96 430262 | 1 0.16 56.11 430263 | 1 0.16 56.27 430264 | 1 0.16 56.43 430265 | 5 0.78 57.21 430266 | 2 0.31 57.52 430267 | 1 0.16 57.68 430268 | 1 0.16 57.84 430269 | 1 0.16 57.99 430270 | 1 0.16 58.15 430271 | 1 0.16 58.31 430272 | 1 0.16 58.46 430273 | 1 0.16 58.62 430274 | 1 0.16 58.78 430275 | 2 0.31 59.09 430276 | 1 0.16 59.25 430277 | 3 0.47 59.72 430278 | 2 0.31 60.03 430279 | 1 0.16 60.19 430280 | 1 0.16 60.34 430281 | 1 0.16 60.50 430282 | 1 0.16 60.66 430283 | 1 0.16 60.82 430284 | 1 0.16 60.97 430285 | 1 0.16 61.13 430286 | 1 0.16 61.29 430287 | 1 0.16 61.44 430288 | 2 0.31 61.76 430289 | 2 0.31 62.07 430290 | 1 0.16 62.23 430291 | 2 0.31 62.54 430292 | 2 0.31 62.85 430293 | 1 0.16 63.01 430294 | 2 0.31 63.32 430295 | 1 0.16 63.48 430296 | 2 0.31 63.79 430297 | 2 0.31 64.11 430298 | 1 0.16 64.26 430299 | 1 0.16 64.42 430300 | 2 0.31 64.73 430301 | 1 0.16 64.89 430302 | 2 0.31 65.20 430303 | 1 0.16 65.36 430304 | 1 0.16 65.52 430305 | 1 0.16 65.67 430306 | 1 0.16 65.83 430307 | 2 0.31 66.14 430308 | 1 0.16 66.30 430309 | 2 0.31 66.61 430310 | 1 0.16 66.77 430311 | 1 0.16 66.93 430312 | 1 0.16 67.08 430313 | 2 0.31 67.40 430314 | 1 0.16 67.55 430315 | 2 0.31 67.87 430316 | 1 0.16 68.03 430317 | 1 0.16 68.18 430318 | 2 0.31 68.50 430319 | 2 0.31 68.81 430320 | 1 0.16 68.97 430321 | 1 0.16 69.12 430322 | 1 0.16 69.28 430323 | 1 0.16 69.44 430324 | 1 0.16 69.59 430325 | 1 0.16 69.75 430326 | 1 0.16 69.91 430327 | 1 0.16 70.06 430328 | 2 0.31 70.38 430329 | 1 0.16 70.53 430330 | 1 0.16 70.69 430331 | 1 0.16 70.85 430332 | 1 0.16 71.00 430333 | 2 0.31 71.32 430334 | 1 0.16 71.47 430335 | 1 0.16 71.63 430336 | 2 0.31 71.94 430337 | 1 0.16 72.10 430338 | 1 0.16 72.26 430339 | 1 0.16 72.41 430340 | 1 0.16 72.57 430341 | 1 0.16 72.73 430342 | 2 0.31 73.04 430343 | 1 0.16 73.20 430344 | 1 0.16 73.35 430345 | 2 0.31 73.67 430346 | 1 0.16 73.82 430347 | 1 0.16 73.98 430348 | 1 0.16 74.14 430349 | 2 0.31 74.45 430350 | 1 0.16 74.61 430351 | 2 0.31 74.92 430352 | 1 0.16 75.08 430353 | 1 0.16 75.24 430354 | 1 0.16 75.39 430355 | 1 0.16 75.55 430356 | 1 0.16 75.71 430357 | 1 0.16 75.86 430358 | 2 0.31 76.18 430359 | 2 0.31 76.49 430360 | 1 0.16 76.65 430361 | 1 0.16 76.80 430362 | 1 0.16 76.96 430363 | 1 0.16 77.12 430364 | 2 0.31 77.43 430365 | 2 0.31 77.74 430366 | 1 0.16 77.90 430367 | 2 0.31 78.21 430368 | 1 0.16 78.37 430369 | 1 0.16 78.53 430370 | 1 0.16 78.68 430371 | 2 0.31 79.00 430372 | 2 0.31 79.31 430373 | 1 0.16 79.47 430374 | 2 0.31 79.78 430375 | 1 0.16 79.94 430376 | 1 0.16 80.09 430377 | 1 0.16 80.25 430378 | 1 0.16 80.41 430379 | 1 0.16 80.56 430380 | 2 0.31 80.88 430381 | 1 0.16 81.03 430382 | 1 0.16 81.19 430383 | 1 0.16 81.35 430384 | 1 0.16 81.50 430385 | 2 0.31 81.82 430386 | 1 0.16 81.97 430387 | 2 0.31 82.29 430388 | 1 0.16 82.45 430389 | 1 0.16 82.60 430390 | 1 0.16 82.76 430391 | 2 0.31 83.07 430392 | 1 0.16 83.23 430393 | 1 0.16 83.39 430394 | 2 0.31 83.70 430395 | 1 0.16 83.86 430396 | 1 0.16 84.01 430397 | 1 0.16 84.17 430398 | 2 0.31 84.48 430399 | 1 0.16 84.64 430400 | 2 0.31 84.95 430401 | 3 0.47 85.42 430402 | 1 0.16 85.58 430403 | 1 0.16 85.74 430404 | 1 0.16 85.89 430405 | 1 0.16 86.05 430406 | 1 0.16 86.21 430407 | 1 0.16 86.36 430408 | 1 0.16 86.52 430409 | 1 0.16 86.68 430410 | 1 0.16 86.83 430411 | 1 0.16 86.99 430412 | 1 0.16 87.15 430413 | 1 0.16 87.30 430414 | 1 0.16 87.46 430415 | 1 0.16 87.62 430416 | 1 0.16 87.77 430417 | 2 0.31 88.09 430418 | 1 0.16 88.24 430419 | 1 0.16 88.40 430420 | 1 0.16 88.56 430421 | 1 0.16 88.71 430422 | 1 0.16 88.87 430423 | 2 0.31 89.18 430424 | 1 0.16 89.34 430425 | 1 0.16 89.50 430426 | 2 0.31 89.81 430427 | 1 0.16 89.97 430428 | 1 0.16 90.13 430429 | 1 0.16 90.28 430430 | 2 0.31 90.60 430431 | 1 0.16 90.75 430432 | 2 0.31 91.07 430433 | 2 0.31 91.38 430434 | 2 0.31 91.69 430435 | 2 0.31 92.01 430436 | 1 0.16 92.16 430437 | 1 0.16 92.32 430438 | 1 0.16 92.48 430439 | 1 0.16 92.63 430440 | 2 0.31 92.95 430441 | 1 0.16 93.10 430442 | 3 0.47 93.57 430443 | 2 0.31 93.89 430444 | 1 0.16 94.04 430445 | 2 0.31 94.36 430446 | 1 0.16 94.51 430447 | 3 0.47 94.98 430448 | 2 0.31 95.30 430449 | 1 0.16 95.45 430450 | 2 0.31 95.77 430451 | 1 0.16 95.92 430452 | 1 0.16 96.08 430453 | 1 0.16 96.24 430454 | 2 0.31 96.55 430455 | 1 0.16 96.71 430456 | 1 0.16 96.87 430457 | 1 0.16 97.02 430458 | 1 0.16 97.18 430459 | 1 0.16 97.34 430460 | 1 0.16 97.49 430461 | 3 0.47 97.96 430462 | 1 0.16 98.12 430463 | 1 0.16 98.28 430464 | 1 0.16 98.43 430465 | 1 0.16 98.59 430466 | 2 0.31 98.90 430467 | 2 0.31 99.22 430468 | 1 0.16 99.37 430469 | 2 0.31 99.69 430470 | 2 0.31 100.00 ------------+----------------------------------- Total | 638 100.00 Frequencies for a_body variable in veh_aux dataset : Vehicle | Body Type | Freq. Percent Cum. ------------+----------------------------------- 1 | 383 60.03 60.03 2 | 49 7.68 67.71 3 | 71 11.13 78.84 4 | 19 2.98 81.82 6 | 30 4.70 86.52 7 | 49 7.68 94.20 8 | 2 0.31 94.51 9 | 35 5.49 100.00 ------------+----------------------------------- Total | 638 100.00 Frequencies for a_imp1 variable in veh_aux dataset : Intial | Impact | Point | Freq. Percent Cum. ------------+----------------------------------- 1 | 17 2.66 2.66 2 | 444 69.59 72.26 3 | 73 11.44 83.70 4 | 37 5.80 89.50 5 | 65 10.19 99.69 6 | 2 0.31 100.00 ------------+----------------------------------- Total | 638 100.00 Frequencies for a_imp2 variable in veh_aux dataset : Principal | Impact | Point | Freq. Percent Cum. ------------+----------------------------------- 1 | 17 2.66 2.66 2 | 435 68.18 70.85 3 | 64 10.03 80.88 4 | 33 5.17 86.05 5 | 64 10.03 96.08 6 | 25 3.92 100.00 ------------+----------------------------------- Total | 638 100.00 Frequencies for a_vroll variable in veh_aux dataset : Rollover | Freq. Percent Cum. ------------+----------------------------------- 1 | 33 5.17 5.17 2 | 605 94.83 100.00 ------------+----------------------------------- Total | 638 100.00 Frequencies for a_lic_s variable in veh_aux dataset : License | Status | Freq. Percent Cum. ------------+----------------------------------- 1 | 516 80.88 80.88 2 | 34 5.33 86.21 3 | 39 6.11 92.32 4 | 49 7.68 100.00 ------------+----------------------------------- Total | 638 100.00 Frequencies for a_lic_c variable in veh_aux dataset : License | Compliance | Freq. Percent Cum. ------------+----------------------------------- 1 | 532 83.39 83.39 2 | 67 10.50 93.89 3 | 39 6.11 100.00 ------------+----------------------------------- Total | 638 100.00 Frequencies for a_cdl_s variable in veh_aux dataset : CDL Status | Freq. Percent Cum. ------------+----------------------------------- 1 | 3 0.47 0.47 2 | 596 93.42 93.89 3 | 39 6.11 100.00 ------------+----------------------------------- Total | 638 100.00 Frequencies for a_mc_l_s variable in veh_aux dataset : Motorcycle | License | Status | Freq. Percent Cum. ------------+----------------------------------- 1 | 34 5.33 5.33 2 | 15 2.35 7.68 4 | 589 92.32 100.00 ------------+----------------------------------- Total | 638 100.00 Frequencies for a_spveh variable in veh_aux dataset : Speeding | Vehicle | Freq. Percent Cum. ------------+----------------------------------- 1 | 221 34.64 34.64 2 | 417 65.36 100.00 ------------+----------------------------------- Total | 638 100.00 Frequencies for a_sbus variable in veh_aux dataset : School Bus | Freq. Percent Cum. ------------+----------------------------------- 2 | 1 0.16 0.16 3 | 637 99.84 100.00 ------------+----------------------------------- Total | 638 100.00 Frequencies for a_mod_yr variable in veh_aux dataset : Vehicle | Model Year | Freq. Percent Cum. ------------+----------------------------------- 1967 | 2 0.31 0.31 1970 | 1 0.16 0.47 1971 | 1 0.16 0.63 1973 | 3 0.47 1.10 1974 | 2 0.31 1.41 1975 | 1 0.16 1.57 1976 | 1 0.16 1.72 1977 | 2 0.31 2.04 1978 | 3 0.47 2.51 1979 | 4 0.63 3.13 1980 | 13 2.04 5.17 1981 | 11 1.72 6.90 1982 | 5 0.78 7.68 1983 | 11 1.72 9.40 1984 | 12 1.88 11.29 1985 | 20 3.13 14.42 1986 | 18 2.82 17.24 1987 | 19 2.98 20.22 1988 | 26 4.08 24.29 1989 | 25 3.92 28.21 1990 | 26 4.08 32.29 1991 | 27 4.23 36.52 1992 | 24 3.76 40.28 1993 | 32 5.02 45.30 1994 | 33 5.17 50.47 1995 | 44 6.90 57.37 1996 | 32 5.02 62.38 1997 | 36 5.64 68.03 1998 | 40 6.27 74.29 1999 | 45 7.05 81.35 2000 | 39 6.11 87.46 2001 | 35 5.49 92.95 2002 | 1 0.16 93.10 9999 | 44 6.90 100.00 ------------+----------------------------------- Total | 638 100.00 Frequencies for a_drdis variable in veh_aux dataset : Distracted | Driver | Freq. Percent Cum. ------------+----------------------------------- 2 | 638 100.00 100.00 ------------+----------------------------------- Total | 638 100.00 Frequencies for a_drdro variable in veh_aux dataset : Drowsy | Driver | Freq. Percent Cum. ------------+----------------------------------- 1 | 3 0.47 0.47 2 | 635 99.53 100.00 ------------+----------------------------------- Total | 638 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016