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

      LIGHT |
  CONDITION |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      4,667       46.67       46.67
          2 |      2,687       26.87       73.54
          3 |      2,089       20.89       94.43
          4 |        196        1.96       96.39
          5 |        248        2.48       98.87
          9 |        113        1.13      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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