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

      state |
     number |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        809        8.09        8.09
          2 |         54        0.54        8.63
          4 |        738        7.38       16.01
          5 |        504        5.04       21.05
          6 |      2,733       27.33       48.38
          8 |        434        4.34       52.72
          9 |        248        2.48       55.20
         10 |        108        1.08       56.28
         11 |         14        0.14       56.42
         12 |      2,253       22.53       78.95
         13 |      1,126       11.26       90.21
         15 |        114        1.14       91.35
         16 |        169        1.69       93.04
         17 |        696        6.96      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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