Frequencies for first 10,000 rows of vin_bt variable in person dataset : VIN Body | Type | Freq. Percent Cum. ------------+----------------------------------- | 945 9.45 9.45 2D | 418 4.18 13.63 2F | 21 0.21 13.84 2H | 488 4.88 18.72 2L | 68 0.68 19.40 2P | 19 0.19 19.59 2T | 578 5.78 25.37 3D | 85 0.85 26.22 4D | 1,257 12.57 38.79 4H | 177 1.77 40.56 4L | 9 0.09 40.65 4P | 76 0.76 41.41 4T | 105 1.05 42.46 5D | 2 0.02 42.48 99 | 842 8.42 50.90 AT | 4 0.04 50.94 BU | 7 0.07 51.01 CB | 97 0.97 51.98 CC | 41 0.41 52.39 CP | 1,064 10.64 63.03 CV | 58 0.58 63.61 CY | 4 0.04 63.65 DP | 2 0.02 63.67 DS | 142 1.42 65.09 EN | 4 0.04 65.13 FB | 4 0.04 65.17 FC | 1 0.01 65.18 GL | 4 0.04 65.22 HB | 43 0.43 65.65 HT | 2 0.02 65.67 LB | 19 0.19 65.86 LL | 16 0.16 66.02 MM | 2 0.02 66.04 MS | 8 0.08 66.12 MX | 2 0.02 66.14 MY | 11 0.11 66.25 NB | 33 0.33 66.58 PK | 1,741 17.41 83.99 PN | 2 0.02 84.01 RD | 12 0.12 84.13 RS | 325 3.25 87.38 RT | 16 0.16 87.54 SD | 69 0.69 88.23 SN | 9 0.09 88.32 SV | 104 1.04 89.36 SW | 448 4.48 93.84 T | 1 0.01 93.85 TB | 30 0.30 94.15 TL | 52 0.52 94.67 TM | 37 0.37 95.04 UT | 302 3.02 98.06 VN | 193 1.93 99.99 XT | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016