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

      vin_8 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        279        2.79        2.79
          0 |      1,006       10.06       12.85
          1 |      1,861       18.61       31.46
          2 |        796        7.96       39.42
          3 |        575        5.75       45.17
          4 |        604        6.04       51.21
          5 |        574        5.74       56.95
          6 |        305        3.05       60.00
          7 |        332        3.32       63.32
          8 |        306        3.06       66.38
          9 |        953        9.53       75.91
          A |        259        2.59       78.50
          B |        202        2.02       80.52
          C |        111        1.11       81.63
          D |        134        1.34       82.97
          E |        145        1.45       84.42
          F |        127        1.27       85.69
          G |        140        1.40       87.09
          H |        226        2.26       89.35
          J |         30        0.30       89.65
          K |         22        0.22       89.87
          L |         95        0.95       90.82
          M |         60        0.60       91.42
          N |         41        0.41       91.83
          O |          1        0.01       91.84
          P |         51        0.51       92.35
          R |        119        1.19       93.54
          S |        335        3.35       96.89
          T |         29        0.29       97.18
          U |         14        0.14       97.32
          V |         11        0.11       97.43
          W |         38        0.38       97.81
          X |         97        0.97       98.78
          Y |        116        1.16       99.94
          Z |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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