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

 crash date |
      (day) |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        355        3.55        3.55
          2 |        314        3.14        6.69
          3 |        352        3.52       10.21
          4 |        367        3.67       13.88
          5 |        320        3.20       17.08
          6 |        325        3.25       20.33
          7 |        342        3.42       23.75
          8 |        312        3.12       26.87
          9 |        321        3.21       30.08
         10 |        311        3.11       33.19
         11 |        344        3.44       36.63
         12 |        366        3.66       40.29
         13 |        333        3.33       43.62
         14 |        353        3.53       47.15
         15 |        312        3.12       50.27
         16 |        338        3.38       53.65
         17 |        333        3.33       56.98
         18 |        334        3.34       60.32
         19 |        325        3.25       63.57
         20 |        324        3.24       66.81
         21 |        321        3.21       70.02
         22 |        313        3.13       73.15
         23 |        314        3.14       76.29
         24 |        328        3.28       79.57
         25 |        347        3.47       83.04
         26 |        333        3.33       86.37
         27 |        303        3.03       89.40
         28 |        312        3.12       92.52
         29 |        262        2.62       95.14
         30 |        286        2.86       98.00
         31 |        200        2.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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