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

     Person |
      Forms |
  Submitted |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      2,558       25.58       25.58
          2 |      3,701       37.01       62.59
          3 |      1,832       18.32       80.91
          4 |        899        8.99       89.90
          5 |        452        4.52       94.42
          6 |        253        2.53       96.95
          7 |        134        1.34       98.29
          8 |         77        0.77       99.06
          9 |         29        0.29       99.35
         10 |         25        0.25       99.60
         11 |         13        0.13       99.73
         12 |          7        0.07       99.80
         13 |          6        0.06       99.86
         14 |          2        0.02       99.88
         15 |          5        0.05       99.93
         16 |          2        0.02       99.95
         20 |          1        0.01       99.96
         22 |          1        0.01       99.97
         31 |          1        0.01       99.98
         33 |          1        0.01       99.99
         67 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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