Frequencies for vin_3 variable in vehnit dataset :

      vin_3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          6        0.54        0.54
          1 |        123       11.02       11.56
          2 |         52        4.66       16.22
          3 |         60        5.38       21.59
          4 |        100        8.96       30.56
          5 |          3        0.27       30.82
          6 |         26        2.33       33.15
          7 |         34        3.05       36.20
          8 |         27        2.42       38.62
          9 |         36        3.23       41.85
          A |         67        6.00       47.85
          B |         26        2.33       50.18
          C |         50        4.48       54.66
          D |         48        4.30       58.96
          E |         18        1.61       60.57
          F |          3        0.27       60.84
          G |         35        3.14       63.98
          H |         14        1.25       65.23
          J |          2        0.18       65.41
          K |         37        3.32       68.73
          L |          6        0.54       69.27
          M |         62        5.56       74.82
          N |         61        5.47       80.29
          P |         16        1.43       81.72
          R |          4        0.36       82.08
          S |         17        1.52       83.60
          T |        101        9.05       92.65
          U |         35        3.14       95.79
          V |         20        1.79       97.58
          W |         12        1.08       98.66
          X |          6        0.54       99.19
          Y |          2        0.18       99.37
          Z |          7        0.63      100.00
------------+-----------------------------------
      Total |      1,116      100.00

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