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

Atmospheric |
 Conditions |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,853       78.53       78.53
          2 |        577        5.77       84.30
          3 |         19        0.19       84.49
          4 |         82        0.82       85.31
          5 |        106        1.06       86.37
          6 |          9        0.09       86.46
          7 |          3        0.03       86.49
          8 |          9        0.09       86.58
         10 |      1,201       12.01       98.59
         11 |         10        0.10       98.69
         98 |         20        0.20       98.89
         99 |        111        1.11      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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