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

      state |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        910        9.10        9.10
          2 |         93        0.93       10.03
          4 |        891        8.91       18.94
          5 |        578        5.78       24.72
          6 |      3,348       33.48       58.20
          8 |        613        6.13       64.33
          9 |        317        3.17       67.50
         10 |        116        1.16       68.66
         11 |         45        0.45       69.11
         12 |      2,733       27.33       96.44
         13 |        356        3.56      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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