Frequencies for first 10,000 rows of hrrnum variable in ziphsahrr1999 dataset : Hospital | Referral | Regions | (HRR) | Number | Freq. Percent Cum. ------------+----------------------------------- 109 | 71 0.71 0.71 110 | 236 2.36 3.07 111 | 146 1.46 4.53 112 | 96 0.96 5.49 113 | 544 5.44 10.93 221 | 233 2.33 13.26 222 | 333 3.33 16.59 223 | 230 2.30 18.89 225 | 104 1.04 19.93 226 | 77 0.77 20.70 227 | 493 4.93 25.63 230 | 134 1.34 26.97 231 | 104 1.04 28.01 281 | 237 2.37 30.38 282 | 151 1.51 31.89 283 | 250 2.50 34.39 284 | 85 0.85 35.24 285 | 134 1.34 36.58 288 | 74 0.74 37.32 289 | 86 0.86 38.18 291 | 37 0.37 38.55 292 | 45 0.45 39.00 295 | 501 5.01 44.01 296 | 104 1.04 45.05 297 | 30 0.30 45.35 299 | 193 1.93 47.28 300 | 89 0.89 48.17 301 | 316 3.16 51.33 303 | 243 2.43 53.76 304 | 235 2.35 56.11 307 | 262 2.62 58.73 308 | 134 1.34 60.07 312 | 23 0.23 60.30 320 | 21 0.21 60.51 335 | 23 0.23 60.74 346 | 200 2.00 62.74 347 | 117 1.17 63.91 350 | 154 1.54 65.45 351 | 202 2.02 67.47 352 | 187 1.87 69.34 354 | 94 0.94 70.28 355 | 98 0.98 71.26 356 | 361 3.61 74.87 357 | 532 5.32 80.19 358 | 109 1.09 81.28 359 | 80 0.80 82.08 360 | 88 0.88 82.96 362 | 46 0.46 83.42 363 | 49 0.49 83.91 364 | 105 1.05 84.96 376 | 63 0.63 85.59 377 | 1 0.01 85.60 424 | 259 2.59 88.19 426 | 254 2.54 90.73 427 | 152 1.52 92.25 428 | 28 0.28 92.53 429 | 104 1.04 93.57 430 | 129 1.29 94.86 431 | 296 2.96 97.82 432 | 137 1.37 99.19 435 | 46 0.46 99.65 445 | 35 0.35 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 14 Mar 2018