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

      state |
     number |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        783        7.83        7.83
          2 |         60        0.60        8.43
          4 |        810        8.10       16.53
          5 |        472        4.72       21.25
          6 |      2,925       29.25       50.50
          8 |        506        5.06       55.56
          9 |        253        2.53       58.09
         10 |        122        1.22       59.31
         11 |         23        0.23       59.54
         12 |      2,699       26.99       86.53
         13 |      1,327       13.27       99.80
         15 |         20        0.20      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016