Frequencies for vin_2 variable in vehnit dataset :

      vin_2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          8        0.54        0.54
          1 |          8        0.54        1.08
          2 |          4        0.27        1.35
          3 |          2        0.14        1.49
          5 |          1        0.07        1.55
          6 |          1        0.07        1.62
          7 |          2        0.14        1.76
          8 |          4        0.27        2.03
          9 |         96        6.48        8.51
          A |         30        2.03       10.53
          B |         96        6.48       17.02
          C |         20        1.35       18.37
          D |         26        1.76       20.12
          E |          3        0.20       20.32
          F |        337       22.75       43.08
          G |        352       23.77       66.85
          H |        104        7.02       73.87
          J |         24        1.62       75.49
          K |          5        0.34       75.83
          L |         10        0.68       76.50
          M |         58        3.92       80.42
          N |         83        5.60       86.02
          P |         17        1.15       87.17
          Q |          1        0.07       87.24
          S |         14        0.95       88.18
          T |         96        6.48       94.67
          U |          1        0.07       94.73
          V |         32        2.16       96.89
          W |          2        0.14       97.03
          X |         33        2.23       99.26
          Y |          7        0.47       99.73
          Z |          4        0.27      100.00
------------+-----------------------------------
      Total |      1,481      100.00

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