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

      LIGHT |
  CONDITION |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      4,684       46.84       46.84
          2 |      2,701       27.01       73.85
          3 |      2,092       20.92       94.77
          4 |        200        2.00       96.77
          5 |        246        2.46       99.23
          9 |         77        0.77      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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