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

 crash date |
      (day) |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        374        3.74        3.74
          2 |        335        3.35        7.09
          3 |        342        3.42       10.51
          4 |        317        3.17       13.68
          5 |        337        3.37       17.05
          6 |        320        3.20       20.25
          7 |        302        3.02       23.27
          8 |        376        3.76       27.03
          9 |        334        3.34       30.37
         10 |        311        3.11       33.48
         11 |        312        3.12       36.60
         12 |        361        3.61       40.21
         13 |        317        3.17       43.38
         14 |        342        3.42       46.80
         15 |        299        2.99       49.79
         16 |        302        3.02       52.81
         17 |        309        3.09       55.90
         18 |        330        3.30       59.20
         19 |        316        3.16       62.36
         20 |        341        3.41       65.77
         21 |        321        3.21       68.98
         22 |        353        3.53       72.51
         23 |        324        3.24       75.75
         24 |        293        2.93       78.68
         25 |        331        3.31       81.99
         26 |        343        3.43       85.42
         27 |        321        3.21       88.63
         28 |        356        3.56       92.19
         29 |        276        2.76       94.95
         30 |        312        3.12       98.07
         31 |        193        1.93      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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