Frequencies for vin_4 variable in vehnit dataset :

      vin_4 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          5        0.45        0.45
          1 |          5        0.45        0.90
          2 |          3        0.27        1.16
          3 |          3        0.27        1.43
          4 |          1        0.09        1.52
          5 |          9        0.81        2.33
          7 |          2        0.18        2.51
          9 |         37        3.32        5.82
          A |        102        9.14       14.96
          B |         57        5.11       20.07
          C |         85        7.62       27.69
          D |         87        7.80       35.48
          E |        104        9.32       44.80
          F |         83        7.44       52.24
          G |         54        4.84       57.08
          H |         79        7.08       64.16
          J |         48        4.30       68.46
          K |         27        2.42       70.88
          L |         25        2.24       73.12
          M |         19        1.70       74.82
          N |         38        3.41       78.23
          P |         21        1.88       80.11
          R |         42        3.76       83.87
          S |         37        3.32       87.19
          T |          8        0.72       87.90
          U |          4        0.36       88.26
          V |          5        0.45       88.71
          W |         45        4.03       92.74
          X |         11        0.99       93.73
          Y |         29        2.60       96.33
          Z |         41        3.67      100.00
------------+-----------------------------------
      Total |      1,116      100.00

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