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

  VIN Model |
       Year |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        678        6.78        6.78
          1 |        552        5.52       12.30
          2 |        584        5.84       18.14
          3 |        656        6.56       24.70
          4 |        665        6.65       31.35
          5 |        672        6.72       38.07
          6 |        681        6.81       44.88
          7 |        697        6.97       51.85
          8 |        493        4.93       56.78
          9 |        709        7.09       63.87
         10 |        240        2.40       66.27
         11 |         29        0.29       66.56
         12 |          1        0.01       66.57
         81 |         12        0.12       66.69
         82 |         18        0.18       66.87
         83 |         14        0.14       67.01
         84 |         23        0.23       67.24
         85 |         35        0.35       67.59
         86 |         38        0.38       67.97
         87 |         45        0.45       68.42
         88 |         58        0.58       69.00
         89 |         78        0.78       69.78
         90 |        118        1.18       70.96
         91 |        119        1.19       72.15
         92 |        167        1.67       73.82
         93 |        188        1.88       75.70
         94 |        271        2.71       78.41
         95 |        303        3.03       81.44
         96 |        338        3.38       84.82
         97 |        411        4.11       88.93
         98 |        446        4.46       93.39
         99 |        517        5.17       98.56
          . |        144        1.44      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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