Frequencies for vin_4 variable in vehnit dataset :

      vin_4 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         11        0.83        0.83
          1 |          6        0.45        1.28
          2 |          1        0.08        1.36
          3 |          4        0.30        1.66
          4 |          1        0.08        1.73
          5 |         15        1.13        2.86
          6 |          2        0.15        3.01
          7 |          8        0.60        3.61
          8 |          1        0.08        3.69
          9 |         60        4.52        8.21
          A |         79        5.95       14.16
          B |         68        5.12       19.28
          C |        104        7.83       27.11
          D |         90        6.78       33.89
          E |        118        8.89       42.77
          F |         90        6.78       49.55
          G |        103        7.76       57.30
          H |         80        6.02       63.33
          J |         52        3.92       67.24
          K |         32        2.41       69.65
          L |         29        2.18       71.84
          M |         29        2.18       74.02
          N |         54        4.07       78.09
          P |         17        1.28       79.37
          R |         45        3.39       82.76
          S |         46        3.46       86.22
          T |          9        0.68       86.90
          U |          7        0.53       87.42
          V |         12        0.90       88.33
          W |         60        4.52       92.85
          X |         17        1.28       94.13
          Y |         42        3.16       97.29
          Z |         36        2.71      100.00
------------+-----------------------------------
      Total |      1,328      100.00

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