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

      LIGHT |
  CONDITION |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      4,685       46.85       46.85
          2 |      2,406       24.06       70.91
          3 |      2,229       22.29       93.20
          4 |        162        1.62       94.82
          5 |        230        2.30       97.12
          6 |        241        2.41       99.53
          9 |         47        0.47      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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