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

    weather |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,162       91.62       91.62
          2 |        529        5.29       96.91
          3 |         16        0.16       97.07
          4 |         54        0.54       97.61
          5 |        134        1.34       98.95
          6 |          2        0.02       98.97
          8 |         29        0.29       99.26
          9 |         74        0.74      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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