Frequencies for persons variable in accident dataset :

     Person |
      Forms |
  Submitted |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        113       23.11       23.11
          2 |        234       47.85       70.96
          3 |         55       11.25       82.21
          4 |         36        7.36       89.57
          5 |         21        4.29       93.87
          6 |         10        2.04       95.91
          7 |          2        0.41       96.32
          8 |          7        1.43       97.75
          9 |          5        1.02       98.77
         12 |          1        0.20       98.98
         14 |          1        0.20       99.18
         18 |          1        0.20       99.39
         20 |          1        0.20       99.59
         22 |          1        0.20       99.80
         66 |          1        0.20      100.00
------------+-----------------------------------
      Total |        489      100.00

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