Frequencies for vin_7 variable in vehnit dataset :

      vin_7 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         50        3.59        3.59
          1 |        149       10.70       14.29
          2 |        192       13.78       28.07
          3 |        149       10.70       38.77
          4 |        146       10.48       49.25
          5 |         98        7.04       56.28
          6 |        151       10.84       67.12
          7 |         50        3.59       70.71
          8 |        101        7.25       77.96
          9 |        164       11.77       89.73
          A |         20        1.44       91.17
          B |          5        0.36       91.53
          C |         31        2.23       93.75
          D |          5        0.36       94.11
          E |         13        0.93       95.05
          F |          2        0.14       95.19
          G |          7        0.50       95.69
          H |          3        0.22       95.91
          J |          4        0.29       96.20
          K |          1        0.07       96.27
          L |          1        0.07       96.34
          M |          2        0.14       96.48
          P |          7        0.50       96.98
          R |          8        0.57       97.56
          S |          7        0.50       98.06
          T |          2        0.14       98.21
          U |          1        0.07       98.28
          V |          4        0.29       98.56
          W |          2        0.14       98.71
          X |          2        0.14       98.85
          Y |          6        0.43       99.28
          Z |         10        0.72      100.00
------------+-----------------------------------
      Total |      1,393      100.00

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