Frequencies for first 10,000 rows of persons variable in accident dataset :

     Person |
      Forms |
  Submitted |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      2,157       21.57       21.57
          2 |      3,612       36.12       57.69
          3 |      1,928       19.28       76.97
          4 |      1,057       10.57       87.54
          5 |        562        5.62       93.16
          6 |        299        2.99       96.15
          7 |        143        1.43       97.58
          8 |         96        0.96       98.54
          9 |         65        0.65       99.19
         10 |         31        0.31       99.50
         11 |         12        0.12       99.62
         12 |         10        0.10       99.72
         13 |          7        0.07       99.79
         14 |          3        0.03       99.82
         15 |          3        0.03       99.85
         16 |          3        0.03       99.88
         17 |          1        0.01       99.89
         18 |          1        0.01       99.90
         19 |          1        0.01       99.91
         20 |          1        0.01       99.92
         21 |          1        0.01       99.93
         25 |          1        0.01       99.94
         27 |          1        0.01       99.95
         29 |          1        0.01       99.96
         38 |          2        0.02       99.98
         48 |          1        0.01       99.99
         82 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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