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

        day |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        381        3.81        3.81
          2 |        316        3.16        6.97
          3 |        304        3.04       10.01
          4 |        371        3.71       13.72
          5 |        363        3.63       17.35
          6 |        327        3.27       20.62
          7 |        337        3.37       23.99
          8 |        313        3.13       27.12
          9 |        345        3.45       30.57
         10 |        311        3.11       33.68
         11 |        294        2.94       36.62
         12 |        305        3.05       39.67
         13 |        337        3.37       43.04
         14 |        329        3.29       46.33
         15 |        325        3.25       49.58
         16 |        331        3.31       52.89
         17 |        339        3.39       56.28
         18 |        336        3.36       59.64
         19 |        338        3.38       63.02
         20 |        302        3.02       66.04
         21 |        359        3.59       69.63
         22 |        328        3.28       72.91
         23 |        292        2.92       75.83
         24 |        354        3.54       79.37
         25 |        323        3.23       82.60
         26 |        322        3.22       85.82
         27 |        334        3.34       89.16
         28 |        323        3.23       92.39
         29 |        296        2.96       95.35
         30 |        274        2.74       98.09
         31 |        181        1.81       99.90
         99 |         10        0.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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