Frequencies for vin_8 variable in vehicle dataset :

      vin_8 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          3        0.42        0.42
          0 |         38        5.31        5.73
          1 |         46        6.42       12.15
          2 |         25        3.49       15.64
          3 |         28        3.91       19.55
          4 |         32        4.47       24.02
          5 |         17        2.37       26.40
          6 |          9        1.26       27.65
          7 |          7        0.98       28.63
          8 |          3        0.42       29.05
          9 |         55        7.68       36.73
          A |         55        7.68       44.41
          B |          7        0.98       45.39
          C |         23        3.21       48.60
          D |         23        3.21       51.82
          E |         23        3.21       55.03
          F |         16        2.23       57.26
          G |          8        1.12       58.38
          H |         23        3.21       61.59
          J |         12        1.68       63.27
          K |         22        3.07       66.34
          L |         17        2.37       68.72
          M |         10        1.40       70.11
          N |         23        3.21       73.32
          P |         14        1.96       75.28
          R |          9        1.26       76.54
          S |         66        9.22       85.75
          T |         10        1.40       87.15
          U |         11        1.54       88.69
          V |         14        1.96       90.64
          W |         22        3.07       93.72
          X |         21        2.93       96.65
          Y |         16        2.23       98.88
          Z |          8        1.12      100.00
------------+-----------------------------------
      Total |        716      100.00

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