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

      vin_8 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         11        0.11        0.11
          0 |        180        1.80        1.91
          1 |        543        5.43        7.34
          2 |        277        2.77       10.11
          3 |        362        3.62       13.73
          4 |        431        4.31       18.04
          5 |        376        3.76       21.80
          6 |        240        2.40       24.20
          7 |        171        1.71       25.91
          8 |        133        1.33       27.24
          9 |        394        3.94       31.18
          A |        365        3.65       34.83
          B |        245        2.45       37.28
          C |        269        2.69       39.97
          D |        357        3.57       43.54
          E |        564        5.64       49.18
          F |        251        2.51       51.69
          G |        196        1.96       53.65
          H |        215        2.15       55.80
          I |          1        0.01       55.81
          J |        164        1.64       57.45
          K |        443        4.43       61.88
          L |        247        2.47       64.35
          M |        170        1.70       66.05
          N |        322        3.22       69.27
          P |        229        2.29       71.56
          R |        351        3.51       75.07
          S |        326        3.26       78.33
          T |        348        3.48       81.81
          U |        250        2.50       84.31
          V |        246        2.46       86.77
          W |        420        4.20       90.97
          X |        456        4.56       95.53
          Y |        264        2.64       98.17
          Z |        183        1.83      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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