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

DAY OF WEEK |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,528       15.28       15.28
          2 |      1,276       12.76       28.04
          3 |      1,193       11.93       39.97
          4 |      1,246       12.46       52.43
          5 |      1,247       12.47       64.90
          6 |      1,656       16.56       81.46
          7 |      1,849       18.49       99.95
          9 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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