Frequencies for vin_12 variable in vehnit dataset :

     vin_12 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         20        1.35        1.35
          0 |        181       12.22       13.57
          1 |        282       19.04       32.61
          2 |        178       12.02       44.63
          3 |        103        6.95       51.59
          4 |         64        4.32       55.91
          5 |        120        8.10       64.01
          6 |         72        4.86       68.87
          7 |         53        3.58       72.45
          8 |         31        2.09       74.54
          9 |        114        7.70       82.24
          A |        110        7.43       89.67
          B |         69        4.66       94.33
          C |         21        1.42       95.75
          D |         17        1.15       96.89
          E |          3        0.20       97.10
          F |          9        0.61       97.70
          G |          3        0.20       97.91
          H |          4        0.27       98.18
          J |          6        0.41       98.58
          K |          3        0.20       98.78
          L |          3        0.20       98.99
          M |          7        0.47       99.46
          N |          3        0.20       99.66
          S |          2        0.14       99.80
          U |          1        0.07       99.86
          V |          1        0.07       99.93
          W |          1        0.07      100.00
------------+-----------------------------------
      Total |      1,481      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016