Frequencies for vin_12 variable in vehnit dataset :

     vin_12 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          8        0.72        0.72
          0 |        142       12.72       13.44
          1 |        216       19.35       32.80
          2 |        147       13.17       45.97
          3 |         72        6.45       52.42
          4 |         59        5.29       57.71
          5 |         89        7.97       65.68
          6 |         59        5.29       70.97
          7 |         36        3.23       74.19
          8 |         22        1.97       76.16
          9 |         48        4.30       80.47
          A |         80        7.17       87.63
          B |         43        3.85       91.49
          C |         19        1.70       93.19
          D |          9        0.81       94.00
          E |          5        0.45       94.44
          F |          4        0.36       94.80
          G |          1        0.09       94.89
          H |          4        0.36       95.25
          J |         12        1.08       96.33
          K |          3        0.27       96.59
          L |          1        0.09       96.68
          M |         11        0.99       97.67
          N |          3        0.27       97.94
          P |          1        0.09       98.03
          R |          1        0.09       98.12
          S |          1        0.09       98.21
          T |          1        0.09       98.30
          U |          1        0.09       98.39
          V |          4        0.36       98.75
          W |          3        0.27       99.01
          X |          3        0.27       99.28
          Y |          4        0.36       99.64
          Z |          4        0.36      100.00
------------+-----------------------------------
      Total |      1,116      100.00

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