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

      vin_8 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         22        0.22        0.22
          0 |        191        1.91        2.13
          1 |        473        4.73        6.86
          2 |        275        2.75        9.61
          3 |        375        3.75       13.36
          4 |        570        5.70       19.06
          5 |        348        3.48       22.54
          6 |        248        2.48       25.02
          7 |        163        1.63       26.65
          8 |        107        1.07       27.72
          9 |        468        4.68       32.40
          A |        397        3.97       36.37
          B |        325        3.25       39.62
          C |        288        2.88       42.50
          D |        277        2.77       45.27
          E |        409        4.09       49.36
          F |        249        2.49       51.85
          G |        164        1.64       53.49
          H |        238        2.38       55.87
          J |        195        1.95       57.82
          K |        417        4.17       61.99
          L |        240        2.40       64.39
          M |        184        1.84       66.23
          N |        251        2.51       68.74
          P |        211        2.11       70.85
          R |        430        4.30       75.15
          S |        394        3.94       79.09
          T |        323        3.23       82.32
          U |        242        2.42       84.74
          V |        122        1.22       85.96
          W |        414        4.14       90.10
          X |        479        4.79       94.89
          Y |        324        3.24       98.13
          Z |        187        1.87      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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