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

      vin_8 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        101        1.01        1.01
          0 |        554        5.54        6.55
          1 |      1,187       11.87       18.42
          2 |        505        5.05       23.47
          3 |        519        5.19       28.66
          4 |        468        4.68       33.34
          5 |        411        4.11       37.45
          6 |        242        2.42       39.87
          7 |        219        2.19       42.06
          8 |        225        2.25       44.31
          9 |        616        6.16       50.47
          A |        426        4.26       54.73
          B |        326        3.26       57.99
          C |        213        2.13       60.12
          D |        233        2.33       62.45
          E |        346        3.46       65.91
          F |        173        1.73       67.64
          G |        185        1.85       69.49
          H |        242        2.42       71.91
          J |        168        1.68       73.59
          K |        240        2.40       75.99
          L |        143        1.43       77.42
          M |         95        0.95       78.37
          N |        166        1.66       80.03
          O |          1        0.01       80.04
          P |        128        1.28       81.32
          R |        323        3.23       84.55
          S |        457        4.57       89.12
          T |        162        1.62       90.74
          U |        162        1.62       92.36
          V |         28        0.28       92.64
          W |        160        1.60       94.24
          X |        252        2.52       96.76
          Y |        209        2.09       98.85
          Z |        115        1.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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