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

      State |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        806        8.06        8.06
          2 |        135        1.35        9.41
          4 |        616        6.16       15.57
          5 |        485        4.85       20.42
          6 |      4,089       40.89       61.31
          8 |        591        5.91       67.22
          9 |        404        4.04       71.26
         10 |         98        0.98       72.24
         11 |         58        0.58       72.82
         12 |      2,415       24.15       96.97
         13 |        303        3.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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