Frequencies for vin_10 variable in vehnit dataset :

     vin_10 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          5        0.34        0.34
          0 |          7        0.47        0.81
          1 |         78        5.27        6.08
          2 |         72        4.86       10.94
          3 |         82        5.54       16.48
          4 |         84        5.67       22.15
          5 |         66        4.46       26.60
          6 |         14        0.95       27.55
          7 |          3        0.20       27.75
          8 |          4        0.27       28.02
          9 |         97        6.55       34.57
          A |          1        0.07       34.64
          B |         10        0.68       35.31
          C |          5        0.34       35.65
          D |         11        0.74       36.39
          E |         13        0.88       37.27
          F |         16        1.08       38.35
          G |         36        2.43       40.78
          H |         21        1.42       42.20
          J |         39        2.63       44.83
          K |         42        2.84       47.67
          L |         44        2.97       50.64
          M |         59        3.98       54.63
          N |         62        4.19       58.81
          P |         56        3.78       62.59
          R |         56        3.78       66.37
          S |         80        5.40       71.78
          T |         66        4.46       76.23
          V |         74        5.00       81.23
          W |         85        5.74       86.97
          X |         87        5.87       92.84
          Y |        106        7.16      100.00
------------+-----------------------------------
      Total |      1,481      100.00

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