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

      State |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        744        7.44        7.44
          2 |         96        0.96        8.40
          4 |        636        6.36       14.76
          5 |        478        4.78       19.54
          6 |      4,119       41.19       60.73
          8 |        598        5.98       66.71
          9 |        464        4.64       71.35
         10 |        115        1.15       72.50
         11 |         34        0.34       72.84
         12 |      2,396       23.96       96.80
         13 |        320        3.20      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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