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

    weather |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,175       91.75       91.75
          2 |        538        5.38       97.13
          3 |          8        0.08       97.21
          4 |         54        0.54       97.75
          5 |        106        1.06       98.81
          6 |          1        0.01       98.82
          8 |         31        0.31       99.13
          9 |         87        0.87      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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