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

     Person |
      Forms |
  Submitted |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      2,244       22.44       22.44
          2 |      3,699       36.99       59.43
          3 |      1,873       18.73       78.16
          4 |        961        9.61       87.77
          5 |        574        5.74       93.51
          6 |        282        2.82       96.33
          7 |        152        1.52       97.85
          8 |         97        0.97       98.82
          9 |         54        0.54       99.36
         10 |         24        0.24       99.60
         11 |         17        0.17       99.77
         12 |          3        0.03       99.80
         13 |          5        0.05       99.85
         14 |          4        0.04       99.89
         15 |          6        0.06       99.95
         16 |          1        0.01       99.96
         25 |          1        0.01       99.97
         41 |          1        0.01       99.98
         52 |          1        0.01       99.99
         53 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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