Frequencies for vin_12 variable in vehnit dataset :

     vin_12 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          9        0.71        0.71
          0 |        136       10.69       11.40
          1 |        262       20.60       32.00
          2 |        159       12.50       44.50
          3 |         85        6.68       51.18
          4 |         59        4.64       55.82
          5 |        118        9.28       65.09
          6 |         68        5.35       70.44
          7 |         50        3.93       74.37
          8 |         43        3.38       77.75
          9 |         73        5.74       83.49
          A |         77        6.05       89.54
          B |         50        3.93       93.47
          C |         20        1.57       95.05
          D |         12        0.94       95.99
          E |          4        0.31       96.31
          F |          4        0.31       96.62
          G |          5        0.39       97.01
          H |          2        0.16       97.17
          J |         10        0.79       97.96
          K |          2        0.16       98.11
          L |          2        0.16       98.27
          M |          6        0.47       98.74
          N |          5        0.39       99.14
          U |          3        0.24       99.37
          X |          4        0.31       99.69
          Y |          3        0.24       99.92
          Z |          1        0.08      100.00
------------+-----------------------------------
      Total |      1,272      100.00

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