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

     Person |
      Forms |
  Submitted |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      2,068       20.68       20.68
          2 |      3,729       37.29       57.97
          3 |      2,004       20.04       78.01
          4 |      1,001       10.01       88.02
          5 |        559        5.59       93.61
          6 |        274        2.74       96.35
          7 |        137        1.37       97.72
          8 |         90        0.90       98.62
          9 |         50        0.50       99.12
         10 |         34        0.34       99.46
         11 |         14        0.14       99.60
         12 |          8        0.08       99.68
         13 |          9        0.09       99.77
         14 |          4        0.04       99.81
         15 |          3        0.03       99.84
         16 |          1        0.01       99.85
         17 |          1        0.01       99.86
         18 |          2        0.02       99.88
         19 |          2        0.02       99.90
         20 |          1        0.01       99.91
         23 |          1        0.01       99.92
         24 |          1        0.01       99.93
         34 |          2        0.02       99.95
         36 |          1        0.01       99.96
         41 |          1        0.01       99.97
         42 |          1        0.01       99.98
         75 |          1        0.01       99.99
         84 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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