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

        day |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        351        3.51        3.51
          2 |        360        3.60        7.11
          3 |        328        3.28       10.39
          4 |        335        3.35       13.74
          5 |        312        3.12       16.86
          6 |        342        3.42       20.28
          7 |        340        3.40       23.68
          8 |        313        3.13       26.81
          9 |        304        3.04       29.85
         10 |        342        3.42       33.27
         11 |        309        3.09       36.36
         12 |        319        3.19       39.55
         13 |        334        3.34       42.89
         14 |        321        3.21       46.10
         15 |        325        3.25       49.35
         16 |        328        3.28       52.63
         17 |        331        3.31       55.94
         18 |        348        3.48       59.42
         19 |        320        3.20       62.62
         20 |        310        3.10       65.72
         21 |        333        3.33       69.05
         22 |        326        3.26       72.31
         23 |        326        3.26       75.57
         24 |        341        3.41       78.98
         25 |        354        3.54       82.52
         26 |        318        3.18       85.70
         27 |        326        3.26       88.96
         28 |        315        3.15       92.11
         29 |        279        2.79       94.90
         30 |        260        2.60       97.50
         31 |        233        2.33       99.83
         99 |         17        0.17      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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