Frequencies for first 10,000 rows of vin_bt variable in person dataset : VIN Body | Type | Freq. Percent Cum. ------------+----------------------------------- | 1,104 11.04 11.04 2D | 384 3.84 14.88 2F | 49 0.49 15.37 2H | 318 3.18 18.55 2P | 9 0.09 18.64 2T | 1,076 10.76 29.40 3D | 98 0.98 30.38 4D | 792 7.92 38.30 4H | 81 0.81 39.11 4P | 58 0.58 39.69 4T | 217 2.17 41.86 99 | 1,754 17.54 59.40 AT | 5 0.05 59.45 BU | 4 0.04 59.49 CB | 85 0.85 60.34 CC | 26 0.26 60.60 CP | 820 8.20 68.80 CV | 47 0.47 69.27 CY | 2 0.02 69.29 DS | 25 0.25 69.54 EN | 1 0.01 69.55 FB | 14 0.14 69.69 FC | 2 0.02 69.71 HB | 32 0.32 70.03 HT | 6 0.06 70.09 LB | 49 0.49 70.58 LL | 26 0.26 70.84 MH | 6 0.06 70.90 MK | 4 0.04 70.94 MM | 1 0.01 70.95 MP | 1 0.01 70.96 MX | 2 0.02 70.98 MY | 2 0.02 71.00 NB | 17 0.17 71.17 PK | 1,311 13.11 84.28 RD | 5 0.05 84.33 RS | 405 4.05 88.38 RT | 21 0.21 88.59 SD | 99 0.99 89.58 SN | 5 0.05 89.63 SV | 72 0.72 90.35 SW | 448 4.48 94.83 TB | 22 0.22 95.05 TL | 53 0.53 95.58 TM | 42 0.42 96.00 UT | 155 1.55 97.55 VN | 231 2.31 99.86 XT | 14 0.14 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016