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

     Person |
      Forms |
  Submitted |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      2,457       24.57       24.57
          2 |      3,615       36.15       60.72
          3 |      1,883       18.83       79.55
          4 |        932        9.32       88.87
          5 |        498        4.98       93.85
          6 |        270        2.70       96.55
          7 |        145        1.45       98.00
          8 |         69        0.69       98.69
          9 |         54        0.54       99.23
         10 |         30        0.30       99.53
         11 |         14        0.14       99.67
         12 |          6        0.06       99.73
         13 |         11        0.11       99.84
         14 |          5        0.05       99.89
         15 |          3        0.03       99.92
         21 |          1        0.01       99.93
         22 |          1        0.01       99.94
         23 |          1        0.01       99.95
         24 |          1        0.01       99.96
         25 |          1        0.01       99.97
         28 |          2        0.02       99.99
         38 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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