Frequencies for persons variable in accident dataset :

     Person |
      Forms |
  Submitted |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         66       11.56       11.56
          2 |        324       56.74       68.30
          3 |         83       14.54       82.84
          4 |         49        8.58       91.42
          5 |         20        3.50       94.92
          6 |         10        1.75       96.67
          7 |          8        1.40       98.07
          8 |          6        1.05       99.12
          9 |          2        0.35       99.47
         10 |          2        0.35       99.82
         12 |          1        0.18      100.00
------------+-----------------------------------
      Total |        571      100.00

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