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

        day |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        337        3.37        3.37
          2 |        310        3.10        6.47
          3 |        347        3.47        9.94
          4 |        370        3.70       13.64
          5 |        335        3.35       16.99
          6 |        343        3.43       20.42
          7 |        318        3.18       23.60
          8 |        307        3.07       26.67
          9 |        320        3.20       29.87
         10 |        311        3.11       32.98
         11 |        334        3.34       36.32
         12 |        336        3.36       39.68
         13 |        332        3.32       43.00
         14 |        305        3.05       46.05
         15 |        311        3.11       49.16
         16 |        310        3.10       52.26
         17 |        318        3.18       55.44
         18 |        360        3.60       59.04
         19 |        345        3.45       62.49
         20 |        346        3.46       65.95
         21 |        349        3.49       69.44
         22 |        305        3.05       72.49
         23 |        313        3.13       75.62
         24 |        329        3.29       78.91
         25 |        368        3.68       82.59
         26 |        319        3.19       85.78
         27 |        311        3.11       88.89
         28 |        285        2.85       91.74
         29 |        293        2.93       94.67
         30 |        313        3.13       97.80
         31 |        219        2.19       99.99
         99 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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