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

        day |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        371        3.71        3.71
          2 |        346        3.46        7.17
          3 |        342        3.42       10.59
          4 |        336        3.36       13.95
          5 |        318        3.18       17.13
          6 |        313        3.13       20.26
          7 |        340        3.40       23.66
          8 |        333        3.33       26.99
          9 |        330        3.30       30.29
         10 |        335        3.35       33.64
         11 |        322        3.22       36.86
         12 |        313        3.13       39.99
         13 |        326        3.26       43.25
         14 |        323        3.23       46.48
         15 |        337        3.37       49.85
         16 |        347        3.47       53.32
         17 |        361        3.61       56.93
         18 |        328        3.28       60.21
         19 |        320        3.20       63.41
         20 |        352        3.52       66.93
         21 |        325        3.25       70.18
         22 |        277        2.77       72.95
         23 |        307        3.07       76.02
         24 |        333        3.33       79.35
         25 |        328        3.28       82.63
         26 |        311        3.11       85.74
         27 |        318        3.18       88.92
         28 |        310        3.10       92.02
         29 |        304        3.04       95.06
         30 |        291        2.91       97.97
         31 |        203        2.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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