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

      LIGHT |
  CONDITION |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      4,664       46.64       46.64
          2 |      2,978       29.78       76.42
          3 |      1,902       19.02       95.44
          4 |        164        1.64       97.08
          5 |        267        2.67       99.75
          9 |         25        0.25      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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