Frequencies for first 10,000 rows of weather1 variable in accident dataset :

Atmospheric |
 Conditions |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,856       78.56       78.56
          2 |        559        5.59       84.15
          3 |         19        0.19       84.34
          4 |         75        0.75       85.09
          5 |        102        1.02       86.11
          6 |          9        0.09       86.20
          7 |          2        0.02       86.22
          8 |          9        0.09       86.31
         10 |      1,228       12.28       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