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

      light |
  condition |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      4,414       44.14       44.14
          2 |      2,660       26.60       70.74
          3 |      2,302       23.02       93.76
          4 |        202        2.02       95.78
          5 |        250        2.50       98.28
          6 |        128        1.28       99.56
          8 |          5        0.05       99.61
          9 |         39        0.39      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016