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

      vin_5 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         11        0.11        0.11
          0 |      1,180       11.80       11.91
          1 |        527        5.27       17.18
          2 |        340        3.40       20.58
          3 |        332        3.32       23.90
          4 |        593        5.93       29.83
          5 |        358        3.58       33.41
          6 |        264        2.64       36.05
          7 |        589        5.89       41.94
          8 |        167        1.67       43.61
          9 |      1,072       10.72       54.33
          A |        241        2.41       56.74
          B |        148        1.48       58.22
          C |        262        2.62       60.84
          D |        112        1.12       61.96
          E |        135        1.35       63.31
          F |        341        3.41       66.72
          G |        175        1.75       68.47
          H |        515        5.15       73.62
          I |          1        0.01       73.63
          J |        102        1.02       74.65
          K |        236        2.36       77.01
          L |        316        3.16       80.17
          M |        117        1.17       81.34
          N |        140        1.40       82.74
          P |        107        1.07       83.81
          Q |          8        0.08       83.89
          R |        417        4.17       88.06
          S |        235        2.35       90.41
          T |        185        1.85       92.26
          U |        207        2.07       94.33
          V |         95        0.95       95.28
          W |         75        0.75       96.03
          X |        110        1.10       97.13
          Y |        189        1.89       99.02
          Z |         97        0.97       99.99
          _ |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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