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

    weather |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      8,916       89.16       89.16
          2 |        841        8.41       97.57
          3 |          9        0.09       97.66
          4 |         43        0.43       98.09
          5 |        114        1.14       99.23
          6 |          6        0.06       99.29
          8 |         17        0.17       99.46
          9 |         54        0.54      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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