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

    weather |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,068       90.68       90.68
          2 |        603        6.03       96.71
          3 |          8        0.08       96.79
          4 |         57        0.57       97.36
          5 |        131        1.31       98.67
          8 |         35        0.35       99.02
          9 |         98        0.98      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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