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

DAY OF WEEK |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,594       15.94       15.94
          2 |      1,167       11.67       27.61
          3 |      1,177       11.77       39.38
          4 |      1,270       12.70       52.08
          5 |      1,318       13.18       65.26
          6 |      1,595       15.95       81.21
          7 |      1,878       18.78       99.99
          9 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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