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

    weather |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      8,947       89.47       89.47
          2 |        745        7.45       96.92
          3 |          5        0.05       96.97
          4 |         59        0.59       97.56
          5 |        106        1.06       98.62
          6 |          4        0.04       98.66
          7 |          1        0.01       98.67
          8 |         18        0.18       98.85
          9 |        115        1.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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