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

 Crash Date |
      (DAY) |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        375        3.75        3.75
          2 |        311        3.11        6.86
          3 |        340        3.40       10.26
          4 |        303        3.03       13.29
          5 |        383        3.83       17.12
          6 |        325        3.25       20.37
          7 |        293        2.93       23.30
          8 |        382        3.82       27.12
          9 |        366        3.66       30.78
         10 |        328        3.28       34.06
         11 |        312        3.12       37.18
         12 |        335        3.35       40.53
         13 |        349        3.49       44.02
         14 |        321        3.21       47.23
         15 |        372        3.72       50.95
         16 |        349        3.49       54.44
         17 |        338        3.38       57.82
         18 |        344        3.44       61.26
         19 |        325        3.25       64.51
         20 |        295        2.95       67.46
         21 |        353        3.53       70.99
         22 |        268        2.68       73.67
         23 |        315        3.15       76.82
         24 |        280        2.80       79.62
         25 |        316        3.16       82.78
         26 |        343        3.43       86.21
         27 |        292        2.92       89.13
         28 |        285        2.85       91.98
         29 |        315        3.15       95.13
         30 |        272        2.72       97.85
         31 |        215        2.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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