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

      vin_8 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        330        3.30        3.30
          0 |      1,223       12.23       15.53
          1 |      2,361       23.61       39.14
          2 |      1,067       10.67       49.81
          3 |        699        6.99       56.80
          4 |        772        7.72       64.52
          5 |        717        7.17       71.69
          6 |        440        4.40       76.09
          7 |        392        3.92       80.01
          8 |        374        3.74       83.75
          9 |      1,131       11.31       95.06
          A |         88        0.88       95.94
          B |         62        0.62       96.56
          C |          8        0.08       96.64
          D |         44        0.44       97.08
          E |         23        0.23       97.31
          F |         23        0.23       97.54
          G |         18        0.18       97.72
          H |         81        0.81       98.53
          J |         15        0.15       98.68
          K |          6        0.06       98.74
          L |         24        0.24       98.98
          M |         11        0.11       99.09
          N |         12        0.12       99.21
          O |          1        0.01       99.22
          P |          4        0.04       99.26
          R |          4        0.04       99.30
          S |         23        0.23       99.53
          T |         12        0.12       99.65
          U |          6        0.06       99.71
          V |          1        0.01       99.72
          W |          3        0.03       99.75
          X |         12        0.12       99.87
          Y |          7        0.07       99.94
          Z |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Apr 2016