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

    weather |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      8,998       89.98       89.98
          2 |        721        7.21       97.19
          3 |          7        0.07       97.26
          4 |         40        0.40       97.66
          5 |        154        1.54       99.20
          6 |          6        0.06       99.26
          7 |          1        0.01       99.27
          8 |         12        0.12       99.39
          9 |         61        0.61      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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