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

     Person |
      Forms |
  Submitted |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      2,087       20.87       20.87
          2 |      3,669       36.69       57.56
          3 |      1,997       19.97       77.53
          4 |      1,013       10.13       87.66
          5 |        593        5.93       93.59
          6 |        270        2.70       96.29
          7 |        153        1.53       97.82
          8 |         94        0.94       98.76
          9 |         44        0.44       99.20
         10 |         24        0.24       99.44
         11 |         14        0.14       99.58
         12 |         10        0.10       99.68
         13 |          9        0.09       99.77
         14 |          5        0.05       99.82
         15 |          3        0.03       99.85
         16 |          1        0.01       99.86
         17 |          3        0.03       99.89
         18 |          2        0.02       99.91
         19 |          3        0.03       99.94
         20 |          1        0.01       99.95
         24 |          1        0.01       99.96
         25 |          1        0.01       99.97
         30 |          1        0.01       99.98
         40 |          1        0.01       99.99
         41 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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