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

      state |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,050       10.50       10.50
          2 |         68        0.68       11.18
          4 |        846        8.46       19.64
          5 |        564        5.64       25.28
          6 |      3,279       32.79       58.07
          8 |        534        5.34       63.41
          9 |        315        3.15       66.56
         10 |        120        1.20       67.76
         11 |         57        0.57       68.33
         12 |      2,528       25.28       93.61
         13 |        639        6.39      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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