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

        day |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        297        2.97        2.97
          2 |        318        3.18        6.15
          3 |        352        3.52        9.67
          4 |        325        3.25       12.92
          5 |        370        3.70       16.62
          6 |        314        3.14       19.76
          7 |        305        3.05       22.81
          8 |        391        3.91       26.72
          9 |        356        3.56       30.28
         10 |        334        3.34       33.62
         11 |        332        3.32       36.94
         12 |        369        3.69       40.63
         13 |        301        3.01       43.64
         14 |        289        2.89       46.53
         15 |        303        3.03       49.56
         16 |        314        3.14       52.70
         17 |        323        3.23       55.93
         18 |        335        3.35       59.28
         19 |        321        3.21       62.49
         20 |        331        3.31       65.80
         21 |        325        3.25       69.05
         22 |        338        3.38       72.43
         23 |        347        3.47       75.90
         24 |        353        3.53       79.43
         25 |        354        3.54       82.97
         26 |        298        2.98       85.95
         27 |        279        2.79       88.74
         28 |        322        3.22       91.96
         29 |        309        3.09       95.05
         30 |        307        3.07       98.12
         31 |        183        1.83       99.95
         99 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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