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

      LIGHT |
  CONDITION |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      4,892       48.92       48.92
          2 |      2,761       27.61       76.53
          3 |      1,843       18.43       94.96
          4 |        204        2.04       97.00
          5 |        249        2.49       99.49
          9 |         51        0.51      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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