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

      state |
     number |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        767        7.67        7.67
          2 |         49        0.49        8.16
          4 |        782        7.82       15.98
          5 |        460        4.60       20.58
          6 |      2,860       28.60       49.18
          8 |        432        4.32       53.50
          9 |        265        2.65       56.15
         10 |         94        0.94       57.09
         11 |         20        0.20       57.29
         12 |      2,223       22.23       79.52
         13 |      1,085       10.85       90.37
         15 |         93        0.93       91.30
         16 |        200        2.00       93.30
         17 |        670        6.70      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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