Frequencies for first 10,000 rows of vin_8 variable in vehicle dataset :

      vin_8 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         95        0.95        0.95
          0 |        416        4.16        5.11
          1 |        952        9.52       14.63
          2 |        399        3.99       18.62
          3 |        479        4.79       23.41
          4 |        453        4.53       27.94
          5 |        391        3.91       31.85
          6 |        271        2.71       34.56
          7 |        222        2.22       36.78
          8 |        186        1.86       38.64
          9 |        529        5.29       43.93
          A |        449        4.49       48.42
          B |        346        3.46       51.88
          C |        224        2.24       54.12
          D |        247        2.47       56.59
          E |        390        3.90       60.49
          F |        196        1.96       62.45
          G |        163        1.63       64.08
          H |        293        2.93       67.01
          J |        180        1.80       68.81
          K |        260        2.60       71.41
          L |        160        1.60       73.01
          M |         97        0.97       73.98
          N |        193        1.93       75.91
          P |        182        1.82       77.73
          R |        332        3.32       81.05
          S |        455        4.55       85.60
          T |        230        2.30       87.90
          U |        176        1.76       89.66
          V |         34        0.34       90.00
          W |        211        2.11       92.11
          X |        371        3.71       95.82
          Y |        261        2.61       98.43
          Z |        157        1.57      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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