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

      vin_5 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          2        0.02        0.02
          0 |        484        4.84        4.86
          1 |        253        2.53        7.39
          2 |        167        1.67        9.06
          3 |        164        1.64       10.70
          4 |        291        2.91       13.61
          5 |        171        1.71       15.32
          6 |         99        0.99       16.31
          7 |        192        1.92       18.23
          8 |         99        0.99       19.22
          9 |        592        5.92       25.14
          A |        430        4.30       29.44
          B |        358        3.58       33.02
          C |        601        6.01       39.03
          D |        540        5.40       44.43
          E |        290        2.90       47.33
          F |        523        5.23       52.56
          G |        202        2.02       54.58
          H |        328        3.28       57.86
          J |        139        1.39       59.25
          K |        254        2.54       61.79
          L |        350        3.50       65.29
          M |        213        2.13       67.42
          N |        434        4.34       71.76
          P |        657        6.57       78.33
          Q |         11        0.11       78.44
          R |        470        4.70       83.14
          S |        330        3.30       86.44
          T |        253        2.53       88.97
          U |        251        2.51       91.48
          V |        142        1.42       92.90
          W |        171        1.71       94.61
          X |        200        2.00       96.61
          Y |        161        1.61       98.22
          Z |        178        1.78      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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