Frequencies for vin_7 variable in vehnit dataset :

      vin_7 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          1        0.07        0.07
          0 |         66        4.46        4.52
          1 |        167       11.28       15.80
          2 |        211       14.25       30.05
          3 |        129        8.71       38.76
          4 |        168       11.34       50.10
          5 |        100        6.75       56.85
          6 |        141        9.52       66.37
          7 |         66        4.46       70.83
          8 |         94        6.35       77.18
          9 |        201       13.57       90.75
          A |         17        1.15       91.90
          B |         10        0.68       92.57
          C |         11        0.74       93.32
          D |          3        0.20       93.52
          E |         16        1.08       94.60
          F |          7        0.47       95.07
          G |          6        0.41       95.48
          H |          4        0.27       95.75
          J |          2        0.14       95.88
          K |          3        0.20       96.08
          L |          2        0.14       96.22
          M |          4        0.27       96.49
          N |          2        0.14       96.62
          P |          4        0.27       96.89
          R |          8        0.54       97.43
          S |          3        0.20       97.64
          T |          1        0.07       97.70
          U |          2        0.14       97.84
          W |          1        0.07       97.91
          X |          1        0.07       97.97
          Y |         19        1.28       99.26
          Z |         11        0.74      100.00
------------+-----------------------------------
      Total |      1,481      100.00

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