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

      LIGHT |
  CONDITION |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      4,632       46.32       46.32
          2 |      2,728       27.28       73.60
          3 |      2,160       21.60       95.20
          4 |        195        1.95       97.15
          5 |        242        2.42       99.57
          9 |         43        0.43      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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