Frequencies for first 10,000 rows of vin_5 variable in vehicle dataset :

      vin_5 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         16        0.16        0.16
          0 |      1,316       13.16       13.32
          1 |        525        5.25       18.57
          2 |        366        3.66       22.23
          3 |        401        4.01       26.24
          4 |        631        6.31       32.55
          5 |        403        4.03       36.58
          6 |        238        2.38       38.96
          7 |        688        6.88       45.84
          8 |        197        1.97       47.81
          9 |        935        9.35       57.16
          A |        212        2.12       59.28
          B |        118        1.18       60.46
          C |        232        2.32       62.78
          D |         82        0.82       63.60
          E |        105        1.05       64.65
          F |        304        3.04       67.69
          G |        159        1.59       69.28
          H |        552        5.52       74.80
          I |          3        0.03       74.83
          J |         96        0.96       75.79
          K |        244        2.44       78.23
          L |        298        2.98       81.21
          M |         90        0.90       82.11
          N |        102        1.02       83.13
          O |          2        0.02       83.15
          P |         48        0.48       83.63
          Q |         14        0.14       83.77
          R |        446        4.46       88.23
          S |        252        2.52       90.75
          T |        189        1.89       92.64
          U |        235        2.35       94.99
          V |         84        0.84       95.83
          W |         58        0.58       96.41
          X |         92        0.92       97.33
          Y |        187        1.87       99.20
          Z |         80        0.80      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Apr 2016