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

    weather |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,192       91.92       91.92
          2 |        509        5.09       97.01
          3 |         10        0.10       97.11
          4 |         51        0.51       97.62
          5 |        104        1.04       98.66
          6 |          2        0.02       98.68
          7 |          2        0.02       98.70
          8 |         15        0.15       98.85
          9 |        115        1.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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