Frequencies for vin_2 variable in vehnit dataset :

      vin_2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          8        0.60        0.60
          1 |          3        0.23        0.83
          2 |          1        0.08        0.90
          3 |          4        0.30        1.20
          4 |          2        0.15        1.36
          5 |          1        0.08        1.43
          6 |          1        0.08        1.51
          8 |          1        0.08        1.58
          9 |         62        4.67        6.25
          A |         28        2.11        8.36
          B |         77        5.80       14.16
          C |         27        2.03       16.19
          D |         25        1.88       18.07
          E |          2        0.15       18.22
          F |        281       21.16       39.38
          G |        324       24.40       63.78
          H |        110        8.28       72.06
          J |         33        2.48       74.55
          K |          4        0.30       74.85
          L |         12        0.90       75.75
          M |         55        4.14       79.89
          N |         80        6.02       85.92
          P |         11        0.83       86.75
          R |          2        0.15       86.90
          S |         13        0.98       87.88
          T |         82        6.17       94.05
          V |         31        2.33       96.39
          W |          3        0.23       96.61
          X |         31        2.33       98.95
          Y |         13        0.98       99.92
          Z |          1        0.08      100.00
------------+-----------------------------------
      Total |      1,328      100.00

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