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

      state |
     number |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        747        7.47        7.47
          2 |         68        0.68        8.15
          4 |        708        7.08       15.23
          5 |        436        4.36       19.59
          6 |      2,859       28.59       48.18
          8 |        451        4.51       52.69
          9 |        234        2.34       55.03
         10 |        109        1.09       56.12
         11 |         21        0.21       56.33
         12 |      2,336       23.36       79.69
         13 |      1,080       10.80       90.49
         15 |         94        0.94       91.43
         16 |        175        1.75       93.18
         17 |        682        6.82      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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