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

    weather |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,026       90.26       90.26
          2 |        678        6.78       97.04
          3 |         14        0.14       97.18
          4 |         52        0.52       97.70
          5 |        107        1.07       98.77
          8 |          7        0.07       98.84
          9 |        116        1.16      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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