Frequencies for vin_5 variable in vehnit dataset :

      vin_5 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         10        0.75        0.75
          1 |          6        0.45        1.20
          2 |          5        0.38        1.58
          3 |          1        0.08        1.66
          4 |          9        0.68        2.33
          5 |          4        0.30        2.64
          6 |          3        0.23        2.86
          7 |          9        0.68        3.54
          8 |          1        0.08        3.61
          9 |         58        4.37        7.98
          A |         75        5.65       13.63
          B |         61        4.59       18.22
          C |        105        7.91       26.13
          D |        111        8.36       34.49
          E |         58        4.37       38.86
          F |         82        6.17       45.03
          G |         49        3.69       48.72
          H |         34        2.56       51.28
          J |         35        2.64       53.92
          K |         75        5.65       59.56
          L |         54        4.07       63.63
          M |         43        3.24       66.87
          N |         25        1.88       68.75
          P |         93        7.00       75.75
          R |         47        3.54       79.29
          S |         50        3.77       83.06
          T |         27        2.03       85.09
          U |         62        4.67       89.76
          V |         18        1.36       91.11
          W |         33        2.48       93.60
          X |         54        4.07       97.67
          Y |         13        0.98       98.64
          Z |         18        1.36      100.00
------------+-----------------------------------
      Total |      1,328      100.00

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