Frequencies for first 10,000 rows of vinmake variable in vehicle dataset : vin make | Freq. Percent Cum. ------------+----------------------------------- | 463 4.63 4.63 ACUR | 105 1.05 5.68 AMER | 8 0.08 5.76 AUDI | 28 0.28 6.04 AUTC | 1 0.01 6.05 BLUI | 1 0.01 6.06 BMW | 105 1.05 7.11 BUIC | 112 1.12 8.23 CADI | 93 0.93 9.16 CHEV | 1,216 12.16 21.32 CHRY | 145 1.45 22.77 DAEW | 5 0.05 22.82 DAIH | 1 0.01 22.83 DATS | 4 0.04 22.87 DODG | 498 4.98 27.85 DUCA | 11 0.11 27.96 EGIL | 2 0.02 27.98 FERR | 1 0.01 27.99 FIAT | 2 0.02 28.01 FORD | 1,326 13.26 41.27 FRHT | 188 1.88 43.15 FWD | 1 0.01 43.16 GEO | 16 0.16 43.32 GILL | 2 0.02 43.34 GMC | 244 2.44 45.78 HD | 376 3.76 49.54 HINO | 7 0.07 49.61 HOND | 855 8.55 58.16 HUMM | 5 0.05 58.21 HYOS | 2 0.02 58.23 HYUN | 146 1.46 59.69 INFI | 50 0.50 60.19 INTL | 110 1.10 61.29 ISU | 40 0.40 61.69 JAGU | 8 0.08 61.77 JEEP | 228 2.28 64.05 KAWK | 107 1.07 65.12 KIA | 125 1.25 66.37 KW | 76 0.76 67.13 LAMO | 1 0.01 67.14 LEXS | 100 1.00 68.14 LINC | 68 0.68 68.82 LNDR | 17 0.17 68.99 LOTU | 1 0.01 69.00 MACK | 49 0.49 69.49 MAZD | 112 1.12 70.61 MCIN | 5 0.05 70.66 MERC | 70 0.70 71.36 MERZ | 93 0.93 72.29 MIFU | 3 0.03 72.32 MITS | 122 1.22 73.54 MNNI | 7 0.07 73.61 MOGU | 1 0.01 73.62 NEOP | 2 0.02 73.64 NISS | 462 4.62 78.26 OLDS | 69 0.69 78.95 ONTR | 2 0.02 78.97 PEUG | 1 0.01 78.98 PLYM | 27 0.27 79.25 POLS | 9 0.09 79.34 PONT | 126 1.26 80.60 PORS | 9 0.09 80.69 PTRB | 93 0.93 81.62 SAA | 7 0.07 81.69 SMRT | 1 0.01 81.70 STRG | 11 0.11 81.81 STRN | 104 1.04 82.85 SUBA | 87 0.87 83.72 SUZI | 216 2.16 85.88 THMS | 6 0.06 85.94 TOYT | 971 9.71 95.65 TRIU | 1 0.01 95.66 TRUM | 13 0.13 95.79 VCTY | 5 0.05 95.84 VOLK | 94 0.94 96.78 VOLV | 108 1.08 97.86 WHGM | 6 0.06 97.92 WSTR | 8 0.08 98.00 YAMA | 200 2.00 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Oct 2016