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

      vin_8 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        185        1.85        1.85
          0 |        801        8.01        9.86
          1 |      1,552       15.52       25.38
          2 |        614        6.14       31.52
          3 |        519        5.19       36.71
          4 |        483        4.83       41.54
          5 |        497        4.97       46.51
          6 |        272        2.72       49.23
          7 |        280        2.80       52.03
          8 |        246        2.46       54.49
          9 |        756        7.56       62.05
          A |        359        3.59       65.64
          B |        245        2.45       68.09
          C |        207        2.07       70.16
          D |        211        2.11       72.27
          E |        214        2.14       74.41
          F |        155        1.55       75.96
          G |        115        1.15       77.11
          H |        260        2.60       79.71
          J |        107        1.07       80.78
          K |        108        1.08       81.86
          L |        130        1.30       83.16
          M |         83        0.83       83.99
          N |         89        0.89       84.88
          P |         94        0.94       85.82
          R |        268        2.68       88.50
          S |        472        4.72       93.22
          T |         95        0.95       94.17
          U |         64        0.64       94.81
          V |         23        0.23       95.04
          W |        115        1.15       96.19
          X |        157        1.57       97.76
          Y |        183        1.83       99.59
          Z |         41        0.41      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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