Frequencies for vin_4 variable in vehnit dataset :

      vin_4 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         14        1.01        1.01
          1 |          7        0.50        1.51
          2 |          5        0.36        1.87
          3 |          4        0.29        2.15
          4 |          1        0.07        2.23
          5 |         10        0.72        2.94
          6 |          7        0.50        3.45
          7 |          7        0.50        3.95
          9 |         69        4.95        8.90
          A |         68        4.88       13.78
          B |         75        5.38       19.17
          C |        118        8.47       27.64
          D |         98        7.04       34.67
          E |        150       10.77       45.44
          F |         95        6.82       52.26
          G |         89        6.39       58.65
          H |         97        6.96       65.61
          J |         65        4.67       70.28
          K |         27        1.94       72.22
          L |         36        2.58       74.80
          M |         16        1.15       75.95
          N |         44        3.16       79.11
          P |         27        1.94       81.05
          R |         31        2.23       83.27
          S |         52        3.73       87.01
          T |         13        0.93       87.94
          U |          4        0.29       88.23
          V |         11        0.79       89.02
          W |         57        4.09       93.11
          X |          5        0.36       93.47
          Y |         40        2.87       96.34
          Z |         51        3.66      100.00
------------+-----------------------------------
      Total |      1,393      100.00

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