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

    weather |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,087       90.87       90.87
          2 |        639        6.39       97.26
          3 |          5        0.05       97.31
          4 |         56        0.56       97.87
          5 |        120        1.20       99.07
          6 |          1        0.01       99.08
          8 |         22        0.22       99.30
          9 |         70        0.70      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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