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

      Light |
  Condition |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      4,641       46.41       46.41
          2 |      2,249       22.49       68.90
          3 |      2,364       23.64       92.54
          4 |        192        1.92       94.46
          5 |        235        2.35       96.81
          6 |        261        2.61       99.42
          7 |          1        0.01       99.43
          8 |          4        0.04       99.47
          9 |         53        0.53      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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