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

      vin_8 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        211        2.11        2.11
          0 |      1,031       10.31       12.42
          1 |      1,793       17.93       30.35
          2 |        733        7.33       37.68
          3 |        545        5.45       43.13
          4 |        584        5.84       48.97
          5 |        562        5.62       54.59
          6 |        303        3.03       57.62
          7 |        312        3.12       60.74
          8 |        256        2.56       63.30
          9 |        770        7.70       71.00
          A |        332        3.32       74.32
          B |        259        2.59       76.91
          C |        136        1.36       78.27
          D |        146        1.46       79.73
          E |        186        1.86       81.59
          F |        106        1.06       82.65
          G |        104        1.04       83.69
          H |        248        2.48       86.17
          J |         46        0.46       86.63
          K |         31        0.31       86.94
          L |        108        1.08       88.02
          M |         81        0.81       88.83
          N |         65        0.65       89.48
          P |         67        0.67       90.15
          R |        192        1.92       92.07
          S |        356        3.56       95.63
          T |         55        0.55       96.18
          U |         28        0.28       96.46
          V |         13        0.13       96.59
          W |         50        0.50       97.09
          X |        136        1.36       98.45
          Y |        144        1.44       99.89
          Z |         11        0.11      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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