Frequencies for vin_9 variable in vehnit dataset :

      vin_9 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          2        0.15        0.15
          0 |        109        8.21        8.36
          1 |        124        9.34       17.70
          2 |        136       10.24       27.94
          3 |        143       10.77       38.70
          4 |        116        8.73       47.44
          5 |         96        7.23       54.67
          6 |        110        8.28       62.95
          7 |        119        8.96       71.91
          8 |        114        8.58       80.50
          9 |        163       12.27       92.77
          A |          1        0.08       92.85
          C |          1        0.08       92.92
          X |         94        7.08      100.00
------------+-----------------------------------
      Total |      1,328      100.00

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