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

     Person |
      Forms |
  Submitted |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      2,047       20.47       20.47
          2 |      3,648       36.48       56.95
          3 |      1,919       19.19       76.14
          4 |      1,084       10.84       86.98
          5 |        570        5.70       92.68
          6 |        294        2.94       95.62
          7 |        171        1.71       97.33
          8 |        106        1.06       98.39
          9 |         63        0.63       99.02
         10 |         30        0.30       99.32
         11 |         24        0.24       99.56
         12 |         13        0.13       99.69
         13 |          9        0.09       99.78
         14 |          3        0.03       99.81
         15 |          4        0.04       99.85
         16 |          4        0.04       99.89
         17 |          2        0.02       99.91
         18 |          1        0.01       99.92
         19 |          1        0.01       99.93
         20 |          2        0.02       99.95
         21 |          1        0.01       99.96
         22 |          1        0.01       99.97
         33 |          1        0.01       99.98
         41 |          1        0.01       99.99
         45 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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