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

        day |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        322        3.22        3.22
          2 |        343        3.43        6.65
          3 |        320        3.20        9.85
          4 |        315        3.15       13.00
          5 |        333        3.33       16.33
          6 |        333        3.33       19.66
          7 |        360        3.60       23.26
          8 |        327        3.27       26.53
          9 |        324        3.24       29.77
         10 |        326        3.26       33.03
         11 |        344        3.44       36.47
         12 |        342        3.42       39.89
         13 |        286        2.86       42.75
         14 |        332        3.32       46.07
         15 |        313        3.13       49.20
         16 |        347        3.47       52.67
         17 |        324        3.24       55.91
         18 |        322        3.22       59.13
         19 |        318        3.18       62.31
         20 |        339        3.39       65.70
         21 |        328        3.28       68.98
         22 |        300        3.00       71.98
         23 |        347        3.47       75.45
         24 |        351        3.51       78.96
         25 |        337        3.37       82.33
         26 |        354        3.54       85.87
         27 |        327        3.27       89.14
         28 |        288        2.88       92.02
         29 |        291        2.91       94.93
         30 |        291        2.91       97.84
         31 |        215        2.15       99.99
         99 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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