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

        day |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        350        3.50        3.50
          2 |        351        3.51        7.01
          3 |        344        3.44       10.45
          4 |        326        3.26       13.71
          5 |        383        3.83       17.54
          6 |        337        3.37       20.91
          7 |        334        3.34       24.25
          8 |        315        3.15       27.40
          9 |        303        3.03       30.43
         10 |        287        2.87       33.30
         11 |        331        3.31       36.61
         12 |        322        3.22       39.83
         13 |        320        3.20       43.03
         14 |        320        3.20       46.23
         15 |        311        3.11       49.34
         16 |        324        3.24       52.58
         17 |        319        3.19       55.77
         18 |        313        3.13       58.90
         19 |        324        3.24       62.14
         20 |        345        3.45       65.59
         21 |        346        3.46       69.05
         22 |        346        3.46       72.51
         23 |        362        3.62       76.13
         24 |        343        3.43       79.56
         25 |        283        2.83       82.39
         26 |        337        3.37       85.76
         27 |        306        3.06       88.82
         28 |        300        3.00       91.82
         29 |        299        2.99       94.81
         30 |        319        3.19       98.00
         31 |        194        1.94       99.94
         99 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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