Frequencies for vin_2 variable in vehnit dataset :

      vin_2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         11        0.79        0.79
          1 |          4        0.29        1.08
          2 |          2        0.14        1.22
          3 |          2        0.14        1.36
          6 |          1        0.07        1.44
          7 |          1        0.07        1.51
          8 |          3        0.22        1.72
          9 |         71        5.10        6.82
          A |         26        1.87        8.69
          B |         88        6.32       15.00
          C |         29        2.08       17.09
          D |         27        1.94       19.02
          E |          4        0.29       19.31
          F |        286       20.53       39.84
          G |        336       24.12       63.96
          H |        111        7.97       71.93
          J |         28        2.01       73.94
          K |          2        0.14       74.08
          L |         21        1.51       75.59
          M |         54        3.88       79.47
          N |         83        5.96       85.43
          P |         21        1.51       86.93
          R |          1        0.07       87.01
          S |          9        0.65       87.65
          T |         94        6.75       94.40
          U |          1        0.07       94.47
          V |         35        2.51       96.98
          W |          3        0.22       97.20
          X |         31        2.23       99.43
          Y |          7        0.50       99.93
          Z |          1        0.07      100.00
------------+-----------------------------------
      Total |      1,393      100.00

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