Frequencies for vin_12 variable in vehnit dataset :

     vin_12 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         16        1.20        1.20
          0 |        152       11.45       12.65
          1 |        273       20.56       33.21
          2 |        162       12.20       45.41
          3 |         80        6.02       51.43
          4 |         57        4.29       55.72
          5 |        114        8.58       64.31
          6 |         76        5.72       70.03
          7 |         58        4.37       74.40
          8 |         43        3.24       77.64
          9 |         67        5.05       82.68
          A |         86        6.48       89.16
          B |         55        4.14       93.30
          C |         24        1.81       95.11
          D |         11        0.83       95.93
          E |          1        0.08       96.01
          F |          4        0.30       96.31
          G |          1        0.08       96.39
          H |          2        0.15       96.54
          J |          9        0.68       97.21
          K |          7        0.53       97.74
          L |          2        0.15       97.89
          M |          8        0.60       98.49
          N |          3        0.23       98.72
          P |          3        0.23       98.95
          S |          2        0.15       99.10
          U |          6        0.45       99.55
          V |          4        0.30       99.85
          W |          1        0.08       99.92
          Y |          1        0.08      100.00
------------+-----------------------------------
      Total |      1,328      100.00

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