Frequencies for vin_3 variable in vehnit dataset :

      vin_3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          9        0.61        0.61
          1 |        145        9.79       10.40
          2 |         70        4.73       15.12
          3 |         88        5.94       21.07
          4 |        139        9.39       30.45
          5 |          6        0.41       30.86
          6 |         47        3.17       34.03
          7 |         43        2.90       36.93
          8 |         31        2.09       39.03
          9 |         97        6.55       45.58
          A |         88        5.94       51.52
          B |         46        3.11       54.63
          C |         66        4.46       59.08
          D |         68        4.59       63.67
          E |         25        1.69       65.36
          F |          1        0.07       65.43
          G |         40        2.70       68.13
          H |          9        0.61       68.74
          J |          4        0.27       69.01
          K |         32        2.16       71.17
          L |          6        0.41       71.57
          M |         68        4.59       76.16
          N |         59        3.98       80.15
          P |         22        1.49       81.63
          R |          5        0.34       81.97
          S |         13        0.88       82.85
          T |        145        9.79       92.64
          U |         57        3.85       96.49
          V |         14        0.95       97.43
          W |         18        1.22       98.65
          X |         11        0.74       99.39
          Y |          5        0.34       99.73
          Z |          4        0.27      100.00
------------+-----------------------------------
      Total |      1,481      100.00

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