Frequencies for first 10,000 rows of vin_bt variable in person dataset : VIN Body | Type | Freq. Percent Cum. ------------+----------------------------------- | 873 8.73 8.73 2D | 302 3.02 11.75 2F | 2 0.02 11.77 2H | 567 5.67 17.44 2L | 72 0.72 18.16 2P | 6 0.06 18.22 2T | 322 3.22 21.44 3D | 36 0.36 21.80 4D | 1,681 16.81 38.61 4H | 182 1.82 40.43 4L | 15 0.15 40.58 4P | 32 0.32 40.90 4T | 39 0.39 41.29 5D | 3 0.03 41.32 99 | 707 7.07 48.39 AT | 8 0.08 48.47 BU | 22 0.22 48.69 CB | 81 0.81 49.50 CC | 46 0.46 49.96 CP | 1,128 11.28 61.24 CV | 52 0.52 61.76 CY | 6 0.06 61.82 DP | 1 0.01 61.83 DS | 193 1.93 63.76 EN | 1 0.01 63.77 FB | 6 0.06 63.83 FC | 5 0.05 63.88 GL | 4 0.04 63.92 HB | 18 0.18 64.10 HT | 7 0.07 64.17 IC | 8 0.08 64.25 LB | 16 0.16 64.41 LL | 28 0.28 64.69 MH | 16 0.16 64.85 MS | 10 0.10 64.95 MX | 2 0.02 64.97 MY | 7 0.07 65.04 NB | 15 0.15 65.19 PK | 1,793 17.93 83.12 RD | 1 0.01 83.13 RS | 284 2.84 85.97 RT | 6 0.06 86.03 SD | 40 0.40 86.43 SN | 7 0.07 86.50 ST | 1 0.01 86.51 SV | 286 2.86 89.37 SW | 410 4.10 93.47 T | 2 0.02 93.49 TB | 22 0.22 93.71 TL | 40 0.40 94.11 TM | 50 0.50 94.61 UT | 340 3.40 98.01 VN | 198 1.98 99.99 YY | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016