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

      state |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        891        8.91        8.91
          2 |         55        0.55        9.46
          4 |        843        8.43       17.89
          5 |        552        5.52       23.41
          6 |      3,145       31.45       54.86
          8 |        473        4.73       59.59
          9 |        279        2.79       62.38
         10 |        105        1.05       63.43
         11 |         32        0.32       63.75
         12 |      2,763       27.63       91.38
         13 |        862        8.62      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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