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

        day |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        334        3.34        3.34
          2 |        324        3.24        6.58
          3 |        347        3.47       10.05
          4 |        357        3.57       13.62
          5 |        346        3.46       17.08
          6 |        354        3.54       20.62
          7 |        354        3.54       24.16
          8 |        341        3.41       27.57
          9 |        333        3.33       30.90
         10 |        326        3.26       34.16
         11 |        353        3.53       37.69
         12 |        335        3.35       41.04
         13 |        324        3.24       44.28
         14 |        308        3.08       47.36
         15 |        293        2.93       50.29
         16 |        338        3.38       53.67
         17 |        308        3.08       56.75
         18 |        333        3.33       60.08
         19 |        304        3.04       63.12
         20 |        334        3.34       66.46
         21 |        333        3.33       69.79
         22 |        339        3.39       73.18
         23 |        309        3.09       76.27
         24 |        327        3.27       79.54
         25 |        322        3.22       82.76
         26 |        288        2.88       85.64
         27 |        294        2.94       88.58
         28 |        338        3.38       91.96
         29 |        295        2.95       94.91
         30 |        303        3.03       97.94
         31 |        195        1.95       99.89
         99 |         11        0.11      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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