Frequencies for vin_1 variable in vehnit dataset :

      vin_1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          3        0.27        0.27
          1 |        610       54.66       54.93
          2 |        133       11.92       66.85
          3 |         64        5.73       72.58
          4 |         70        6.27       78.85
          5 |         36        3.23       82.08
          6 |          3        0.27       82.35
          9 |         37        3.32       85.66
          C |          3        0.27       85.93
          F |          2        0.18       86.11
          J |         98        8.78       94.89
          K |         19        1.70       96.59
          N |          1        0.09       96.68
          P |          1        0.09       96.77
          S |          4        0.36       97.13
          T |          2        0.18       97.31
          V |          2        0.18       97.49
          W |         22        1.97       99.46
          Y |          6        0.54      100.00
------------+-----------------------------------
      Total |      1,116      100.00

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