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

    weather |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      8,958       89.58       89.58
          2 |        715        7.15       96.73
          3 |         21        0.21       96.94
          4 |         66        0.66       97.60
          5 |        132        1.32       98.92
          6 |          7        0.07       98.99
          8 |         18        0.18       99.17
          9 |         83        0.83      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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