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

      LIGHT |
  CONDITION |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,012       50.12       50.12
          2 |      2,724       27.24       77.36
          3 |      1,779       17.79       95.15
          4 |        203        2.03       97.18
          5 |        241        2.41       99.59
          9 |         41        0.41      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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