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

    weather |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,099       90.99       90.99
          2 |        691        6.91       97.90
          3 |          8        0.08       97.98
          4 |         42        0.42       98.40
          5 |        118        1.18       99.58
          6 |          9        0.09       99.67
          8 |          3        0.03       99.70
          9 |         30        0.30      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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