Frequencies for first 10,000 rows of vin_bt variable in vehicle dataset : VIN Body | Type | Freq. Percent Cum. ------------+----------------------------------- | 225 2.25 2.25 2D | 457 4.57 6.82 2F | 37 0.37 7.19 2H | 441 4.41 11.60 2L | 54 0.54 12.14 2P | 8 0.08 12.22 2T | 891 8.91 21.13 3D | 111 1.11 22.24 4D | 926 9.26 31.50 4H | 122 1.22 32.72 4L | 11 0.11 32.83 4P | 40 0.40 33.23 4T | 146 1.46 34.69 5D | 1 0.01 34.70 99 | 1,706 17.06 51.76 AT | 12 0.12 51.88 BU | 2 0.02 51.90 CB | 124 1.24 53.14 CC | 36 0.36 53.50 CM | 2 0.02 53.52 CP | 933 9.33 62.85 CV | 82 0.82 63.67 CY | 2 0.02 63.69 DS | 101 1.01 64.70 EN | 2 0.02 64.72 FB | 7 0.07 64.79 FC | 4 0.04 64.83 GL | 5 0.05 64.88 HB | 32 0.32 65.20 HT | 4 0.04 65.24 LB | 18 0.18 65.42 LL | 11 0.11 65.53 MK | 4 0.04 65.57 MM | 2 0.02 65.59 MS | 6 0.06 65.65 MX | 4 0.04 65.69 MY | 9 0.09 65.78 NB | 18 0.18 65.96 PK | 1,413 14.13 80.09 RD | 13 0.13 80.22 RS | 813 8.13 88.35 RT | 47 0.47 88.82 SD | 100 1.00 89.82 SN | 5 0.05 89.87 SV | 36 0.36 90.23 SW | 452 4.52 94.75 T | 5 0.05 94.80 TB | 35 0.35 95.15 TL | 81 0.81 95.96 TM | 48 0.48 96.44 UT | 140 1.40 97.84 VN | 209 2.09 99.93 XT | 6 0.06 99.99 YY | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016