Frequencies for first 10,000 rows of vin_11 variable in vehicle dataset :

        VIN |
Character(1 |
         1) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         39        0.39        0.39
          0 |        399        3.99        4.38
          1 |        409        4.09        8.47
          2 |        377        3.77       12.24
          3 |         50        0.50       12.74
          4 |        137        1.37       14.11
          5 |        197        1.97       16.08
          6 |        140        1.40       17.48
          7 |        184        1.84       19.32
          8 |        121        1.21       20.53
          9 |        467        4.67       25.20
          A |        644        6.44       31.64
          B |        230        2.30       33.94
          C |        621        6.21       40.15
          D |        201        2.01       42.16
          E |        351        3.51       45.67
          F |        326        3.26       48.93
          G |        240        2.40       51.33
          H |        408        4.08       55.41
          J |        269        2.69       58.10
          K |        316        3.16       61.26
          L |        433        4.33       65.59
          M |        305        3.05       68.64
          N |        349        3.49       72.13
          P |        217        2.17       74.30
          R |        256        2.56       76.86
          S |        326        3.26       80.12
          T |        171        1.71       81.83
          U |        570        5.70       87.53
          V |         28        0.28       87.81
          W |        195        1.95       89.76
          X |        140        1.40       91.16
          Y |        351        3.51       94.67
          Z |        533        5.33      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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