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

 crash date |
      (day) |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        352        3.52        3.52
          2 |        316        3.16        6.68
          3 |        373        3.73       10.41
          4 |        324        3.24       13.65
          5 |        316        3.16       16.81
          6 |        343        3.43       20.24
          7 |        318        3.18       23.42
          8 |        344        3.44       26.86
          9 |        317        3.17       30.03
         10 |        347        3.47       33.50
         11 |        324        3.24       36.74
         12 |        319        3.19       39.93
         13 |        339        3.39       43.32
         14 |        340        3.40       46.72
         15 |        326        3.26       49.98
         16 |        317        3.17       53.15
         17 |        348        3.48       56.63
         18 |        334        3.34       59.97
         19 |        326        3.26       63.23
         20 |        338        3.38       66.61
         21 |        325        3.25       69.86
         22 |        275        2.75       72.61
         23 |        335        3.35       75.96
         24 |        314        3.14       79.10
         25 |        305        3.05       82.15
         26 |        298        2.98       85.13
         27 |        354        3.54       88.67
         28 |        338        3.38       92.05
         29 |        292        2.92       94.97
         30 |        302        3.02       97.99
         31 |        201        2.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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