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

     Person |
      Forms |
  Submitted |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      2,305       23.05       23.05
          2 |      3,791       37.91       60.96
          3 |      1,866       18.66       79.62
          4 |        926        9.26       88.88
          5 |        493        4.93       93.81
          6 |        276        2.76       96.57
          7 |        144        1.44       98.01
          8 |         91        0.91       98.92
          9 |         36        0.36       99.28
         10 |         29        0.29       99.57
         11 |         19        0.19       99.76
         12 |          5        0.05       99.81
         13 |          5        0.05       99.86
         14 |          2        0.02       99.88
         15 |          1        0.01       99.89
         16 |          2        0.02       99.91
         17 |          3        0.03       99.94
         18 |          3        0.03       99.97
         27 |          1        0.01       99.98
         30 |          1        0.01       99.99
         31 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Apr 2016