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

      LIGHT |
  CONDITION |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      4,901       49.01       49.01
          2 |      2,707       27.07       76.08
          3 |      1,908       19.08       95.16
          4 |        195        1.95       97.11
          5 |        236        2.36       99.47
          9 |         53        0.53      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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