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

     Person |
      Forms |
  Submitted |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      2,098       20.98       20.98
          2 |      3,650       36.50       57.48
          3 |      1,978       19.78       77.26
          4 |        988        9.88       87.14
          5 |        579        5.79       92.93
          6 |        304        3.04       95.97
          7 |        154        1.54       97.51
          8 |        109        1.09       98.60
          9 |         56        0.56       99.16
         10 |         23        0.23       99.39
         11 |         18        0.18       99.57
         12 |         11        0.11       99.68
         13 |          6        0.06       99.74
         14 |          4        0.04       99.78
         15 |          4        0.04       99.82
         16 |          5        0.05       99.87
         17 |          2        0.02       99.89
         18 |          1        0.01       99.90
         20 |          1        0.01       99.91
         22 |          1        0.01       99.92
         23 |          2        0.02       99.94
         26 |          1        0.01       99.95
         29 |          2        0.02       99.97
         30 |          1        0.01       99.98
         31 |          1        0.01       99.99
         34 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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