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

      state |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        914        9.14        9.14
          2 |         88        0.88       10.02
          4 |        704        7.04       17.06
          5 |        520        5.20       22.26
          6 |      3,687       36.87       59.13
          8 |        511        5.11       64.24
          9 |        324        3.24       67.48
         10 |        103        1.03       68.51
         11 |         55        0.55       69.06
         12 |      2,376       23.76       92.82
         13 |        718        7.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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