Frequencies for vin_bt variable in vehnit dataset : vin_bt | Freq. Percent Cum. ------------+----------------------------------- 2D | 11 0.83 0.83 2H | 23 1.73 2.56 2L | 2 0.15 2.71 2P | 1 0.08 2.79 2T | 3 0.23 3.01 2W | 4 0.30 3.31 3C | 11 0.83 4.14 3P | 2 0.15 4.29 4B | 1 0.08 4.37 4C | 48 3.61 7.98 4D | 383 28.84 36.82 4H | 10 0.75 37.58 4P | 2 0.15 37.73 4W | 42 3.16 40.89 99 | 86 6.48 47.36 BU | 5 0.38 47.74 CB | 33 2.48 50.23 CC | 43 3.24 53.46 CG | 5 0.38 53.84 CH | 2 0.15 53.99 CP | 58 4.37 58.36 CV | 10 0.75 59.11 CW | 42 3.16 62.27 DP | 1 0.08 62.35 DS | 98 7.38 69.73 EC | 1 0.08 69.80 ES | 12 0.90 70.71 FB | 2 0.15 70.86 FC | 1 0.08 70.93 GG | 2 0.15 71.08 IC | 11 0.83 71.91 LB | 1 0.08 71.99 MP | 4 0.30 72.29 MY | 4 0.30 72.59 PC | 31 2.33 74.92 PK | 75 5.65 80.57 PS | 9 0.68 81.25 RD | 1 0.08 81.33 RS | 7 0.53 81.85 S2 | 2 0.15 82.00 SV | 58 4.37 86.37 SW | 10 0.75 87.12 TB | 11 0.83 87.95 TL | 2 0.15 88.10 TM | 16 1.20 89.31 UT | 131 9.86 99.17 VN | 5 0.38 99.55 YY | 6 0.45 100.00 ------------+----------------------------------- Total | 1,328 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016