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

      LIGHT |
  CONDITION |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      4,814       48.14       48.14
          2 |      2,665       26.65       74.79
          3 |      2,027       20.27       95.06
          4 |        197        1.97       97.03
          5 |        226        2.26       99.29
          9 |         71        0.71      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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