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

        day |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        328        3.28        3.28
          2 |        365        3.65        6.93
          3 |        328        3.28       10.21
          4 |        343        3.43       13.64
          5 |        316        3.16       16.80
          6 |        379        3.79       20.59
          7 |        332        3.32       23.91
          8 |        344        3.44       27.35
          9 |        293        2.93       30.28
         10 |        347        3.47       33.75
         11 |        348        3.48       37.23
         12 |        319        3.19       40.42
         13 |        324        3.24       43.66
         14 |        315        3.15       46.81
         15 |        288        2.88       49.69
         16 |        350        3.50       53.19
         17 |        329        3.29       56.48
         18 |        339        3.39       59.87
         19 |        352        3.52       63.39
         20 |        360        3.60       66.99
         21 |        310        3.10       70.09
         22 |        306        3.06       73.15
         23 |        338        3.38       76.53
         24 |        303        3.03       79.56
         25 |        312        3.12       82.68
         26 |        341        3.41       86.09
         27 |        318        3.18       89.27
         28 |        306        3.06       92.33
         29 |        285        2.85       95.18
         30 |        294        2.94       98.12
         31 |        187        1.87       99.99
         99 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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