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

 Crash Date |
      (DAY) |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        341        3.41        3.41
          2 |        339        3.39        6.80
          3 |        365        3.65       10.45
          4 |        372        3.72       14.17
          5 |        367        3.67       17.84
          6 |        386        3.86       21.70
          7 |        311        3.11       24.81
          8 |        282        2.82       27.63
          9 |        296        2.96       30.59
         10 |        317        3.17       33.76
         11 |        328        3.28       37.04
         12 |        302        3.02       40.06
         13 |        299        2.99       43.05
         14 |        292        2.92       45.97
         15 |        383        3.83       49.80
         16 |        278        2.78       52.58
         17 |        357        3.57       56.15
         18 |        377        3.77       59.92
         19 |        331        3.31       63.23
         20 |        282        2.82       66.05
         21 |        269        2.69       68.74
         22 |        267        2.67       71.41
         23 |        313        3.13       74.54
         24 |        369        3.69       78.23
         25 |        361        3.61       81.84
         26 |        293        2.93       84.77
         27 |        318        3.18       87.95
         28 |        329        3.29       91.24
         29 |        320        3.20       94.44
         30 |        337        3.37       97.81
         31 |        219        2.19      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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