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

      state |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        992        9.92        9.92
          2 |         73        0.73       10.65
          4 |        907        9.07       19.72
          5 |        540        5.40       25.12
          6 |      3,148       31.48       56.60
          8 |        558        5.58       62.18
          9 |        270        2.70       64.88
         10 |         91        0.91       65.79
         11 |         40        0.40       66.19
         12 |      2,629       26.29       92.48
         13 |        752        7.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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