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

      state |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,010       10.10       10.10
          2 |         75        0.75       10.85
          4 |        952        9.52       20.37
          5 |        583        5.83       26.20
          6 |      3,591       35.91       62.11
          8 |        508        5.08       67.19
          9 |        269        2.69       69.88
         10 |        105        1.05       70.93
         11 |         36        0.36       71.29
         12 |      2,871       28.71      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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