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

    weather |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,252       92.52       92.52
          2 |        481        4.81       97.33
          3 |          9        0.09       97.42
          4 |         53        0.53       97.95
          5 |         98        0.98       98.93
          6 |         19        0.19       99.12
          7 |          7        0.07       99.19
          8 |          4        0.04       99.23
          9 |         77        0.77      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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