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

        day |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        323        3.23        3.23
          2 |        334        3.34        6.57
          3 |        312        3.12        9.69
          4 |        337        3.37       13.06
          5 |        333        3.33       16.39
          6 |        321        3.21       19.60
          7 |        312        3.12       22.72
          8 |        318        3.18       25.90
          9 |        355        3.55       29.45
         10 |        310        3.10       32.55
         11 |        321        3.21       35.76
         12 |        340        3.40       39.16
         13 |        369        3.69       42.85
         14 |        337        3.37       46.22
         15 |        366        3.66       49.88
         16 |        330        3.30       53.18
         17 |        296        2.96       56.14
         18 |        312        3.12       59.26
         19 |        324        3.24       62.50
         20 |        357        3.57       66.07
         21 |        327        3.27       69.34
         22 |        310        3.10       72.44
         23 |        302        3.02       75.46
         24 |        317        3.17       78.63
         25 |        314        3.14       81.77
         26 |        329        3.29       85.06
         27 |        351        3.51       88.57
         28 |        324        3.24       91.81
         29 |        312        3.12       94.93
         30 |        301        3.01       97.94
         31 |        199        1.99       99.93
         99 |          7        0.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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