Frequencies for first 10,000 rows of vinmake variable in vehicle dataset : VIN MAKE | Freq. Percent Cum. ------------+----------------------------------- | 629 6.29 6.29 ACUR | 81 0.81 7.10 AMER | 6 0.06 7.16 AMGN | 1 0.01 7.17 AUDI | 22 0.22 7.39 AUTC | 3 0.03 7.42 BENT | 1 0.01 7.43 BMW | 112 1.12 8.55 BUIC | 144 1.44 9.99 CADI | 94 0.94 10.93 CHEV | 1,197 11.97 22.90 CHRY | 183 1.83 24.73 DAEW | 6 0.06 24.79 DATS | 2 0.02 24.81 DODG | 508 5.08 29.89 EGIL | 1 0.01 29.90 FORD | 1,399 13.99 43.89 FRHT | 183 1.83 45.72 GEO | 26 0.26 45.98 GMC | 271 2.71 48.69 HD | 344 3.44 52.13 HINO | 6 0.06 52.19 HOND | 765 7.65 59.84 HUMM | 9 0.09 59.93 HYUN | 135 1.35 61.28 INFI | 57 0.57 61.85 INTL | 93 0.93 62.78 ISU | 45 0.45 63.23 JAGU | 13 0.13 63.36 JEEP | 198 1.98 65.34 KAWK | 92 0.92 66.26 KIA | 104 1.04 67.30 KW | 77 0.77 68.07 LAMO | 1 0.01 68.08 LEXS | 90 0.90 68.98 LINC | 66 0.66 69.64 LNDR | 14 0.14 69.78 MACK | 32 0.32 70.10 MAZD | 111 1.11 71.21 MERC | 121 1.21 72.42 MERZ | 73 0.73 73.15 MITS | 119 1.19 74.34 MNNI | 9 0.09 74.43 NISS | 447 4.47 78.90 OLDS | 74 0.74 79.64 PLYM | 44 0.44 80.08 POL | 6 0.06 80.14 PONT | 178 1.78 81.92 PORS | 4 0.04 81.96 PTRB | 80 0.80 82.76 SAA | 8 0.08 82.84 SMRT | 2 0.02 82.86 STRG | 16 0.16 83.02 STRN | 104 1.04 84.06 SUBA | 70 0.70 84.76 SUZI | 225 2.25 87.01 TOYT | 952 9.52 96.53 TRIU | 13 0.13 96.66 UD | 1 0.01 96.67 VCTY | 3 0.03 96.70 VOLK | 77 0.77 97.47 VOLV | 88 0.88 98.35 WHGM | 4 0.04 98.39 WHIT | 2 0.02 98.41 WSTR | 8 0.08 98.49 YAMA | 150 1.50 99.99 ZONG | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016