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

      LIGHT |
  CONDITION |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      4,810       48.10       48.10
          2 |      2,690       26.90       75.00
          3 |      2,041       20.41       95.41
          4 |        165        1.65       97.06
          5 |        230        2.30       99.36
          9 |         64        0.64      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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