Frequencies for first 10,000 rows of vinmake variable in person dataset : VIN MAKE | Freq. Percent Cum. ------------+----------------------------------- | 1,448 14.48 14.48 ACUR | 72 0.72 15.20 AMER | 5 0.05 15.25 AMGN | 1 0.01 15.26 AUDI | 13 0.13 15.39 AUTC | 3 0.03 15.42 BMW | 93 0.93 16.35 BUIC | 118 1.18 17.53 CADI | 85 0.85 18.38 CHEV | 1,228 12.28 30.66 CHRY | 136 1.36 32.02 DAEW | 2 0.02 32.04 DATS | 1 0.01 32.05 DODG | 503 5.03 37.08 FORD | 1,503 15.03 52.11 FRHT | 130 1.30 53.41 GEO | 26 0.26 53.67 GMC | 328 3.28 56.95 HD | 219 2.19 59.14 HINO | 3 0.03 59.17 HOND | 688 6.88 66.05 HUMM | 6 0.06 66.11 HYUN | 117 1.17 67.28 INFI | 54 0.54 67.82 INTL | 65 0.65 68.47 ISU | 39 0.39 68.86 JAGU | 12 0.12 68.98 JEEP | 189 1.89 70.87 KAWK | 48 0.48 71.35 KIA | 85 0.85 72.20 KW | 45 0.45 72.65 LAMO | 1 0.01 72.66 LEXS | 55 0.55 73.21 LINC | 61 0.61 73.82 LNDR | 11 0.11 73.93 MACK | 19 0.19 74.12 MAZD | 121 1.21 75.33 MERC | 115 1.15 76.48 MERZ | 65 0.65 77.13 MITS | 112 1.12 78.25 MNNI | 7 0.07 78.32 NISS | 399 3.99 82.31 OLDS | 63 0.63 82.94 PLYM | 51 0.51 83.45 POL | 3 0.03 83.48 PONT | 198 1.98 85.46 PORS | 4 0.04 85.50 PTRB | 61 0.61 86.11 SAA | 3 0.03 86.14 SMRT | 4 0.04 86.18 STRG | 12 0.12 86.30 STRN | 76 0.76 87.06 SUBA | 51 0.51 87.57 SUZI | 114 1.14 88.71 TOYT | 883 8.83 97.54 TRIU | 8 0.08 97.62 UD | 1 0.01 97.63 VCTY | 1 0.01 97.64 VOLK | 66 0.66 98.30 VOLV | 57 0.57 98.87 WHGM | 2 0.02 98.89 WHIT | 2 0.02 98.91 WSTR | 7 0.07 98.98 YAMA | 101 1.01 99.99 ZONG | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016