Frequencies for first 10,000 rows of vin_5 variable in vehicle dataset :

      vin_5 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         34        0.34        0.34
          1 |         25        0.25        0.59
          2 |         41        0.41        1.00
          3 |         22        0.22        1.22
          4 |         62        0.62        1.84
          5 |         18        0.18        2.02
          6 |         14        0.14        2.16
          7 |         23        0.23        2.39
          8 |         12        0.12        2.51
          9 |        419        4.19        6.70
          A |        610        6.10       12.80
          B |        462        4.62       17.42
          C |        941        9.41       26.83
          D |        685        6.85       33.68
          E |        314        3.14       36.82
          F |        531        5.31       42.13
          G |        342        3.42       45.55
          H |        154        1.54       47.09
          J |        302        3.02       50.11
          K |        548        5.48       55.59
          L |        354        3.54       59.13
          M |        360        3.60       62.73
          N |        393        3.93       66.66
          P |        715        7.15       73.81
          R |        425        4.25       78.06
          S |        517        5.17       83.23
          T |        314        3.14       86.37
          U |        490        4.90       91.27
          V |        132        1.32       92.59
          W |        228        2.28       94.87
          X |        313        3.13       98.00
          Y |        101        1.01       99.01
          Z |         99        0.99      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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