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

    weather |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,115       91.15       91.15
          2 |        591        5.91       97.06
          3 |         11        0.11       97.17
          4 |         55        0.55       97.72
          5 |        116        1.16       98.88
          6 |          2        0.02       98.90
          8 |         22        0.22       99.12
          9 |         88        0.88      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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