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

  VIN Model |
       Year |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        450        4.50        4.50
          1 |        564        5.64       10.14
          2 |        606        6.06       16.20
          3 |        606        6.06       22.26
          4 |        566        5.66       27.92
          5 |        609        6.09       34.01
          6 |        590        5.90       39.91
          7 |        584        5.84       45.75
          8 |        405        4.05       49.80
          9 |        296        2.96       52.76
         10 |        230        2.30       55.06
         11 |        236        2.36       57.42
         12 |         34        0.34       57.76
         30 |          2        0.02       57.78
         50 |          1        0.01       57.79
         51 |          1        0.01       57.80
         60 |          1        0.01       57.81
         63 |          1        0.01       57.82
         65 |          7        0.07       57.89
         67 |          1        0.01       57.90
         69 |          4        0.04       57.94
         70 |          6        0.06       58.00
         71 |          5        0.05       58.05
         72 |          3        0.03       58.08
         73 |          5        0.05       58.13
         74 |          7        0.07       58.20
         75 |          5        0.05       58.25
         76 |          2        0.02       58.27
         77 |          4        0.04       58.31
         78 |          4        0.04       58.35
         79 |         11        0.11       58.46
         80 |          3        0.03       58.49
         81 |          8        0.08       58.57
         82 |          7        0.07       58.64
         83 |         15        0.15       58.79
         84 |         18        0.18       58.97
         85 |         29        0.29       59.26
         86 |         37        0.37       59.63
         87 |         29        0.29       59.92
         88 |         69        0.69       60.61
         89 |         49        0.49       61.10
         90 |        118        1.18       62.28
         91 |        137        1.37       63.65
         92 |        120        1.20       64.85
         93 |        187        1.87       66.72
         94 |        222        2.22       68.94
         95 |        327        3.27       72.21
         96 |        276        2.76       74.97
         97 |        348        3.48       78.45
         98 |        442        4.42       82.87
         99 |        506        5.06       87.93
          . |      1,207       12.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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