Frequencies for minute variable in person dataset :

    Time of |
Accident-Mi |
       nute |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        409       30.94       30.94
          5 |         15        1.13       32.07
         10 |         56        4.24       36.31
         15 |        165       12.48       48.79
         20 |         44        3.33       52.12
         25 |         27        2.04       54.16
         30 |        324       24.51       78.67
         35 |         12        0.91       79.58
         37 |          3        0.23       79.80
         40 |         68        5.14       84.95
         45 |        116        8.77       93.72
         50 |         60        4.54       98.26
         55 |         23        1.74      100.00
------------+-----------------------------------
      Total |      1,322      100.00

by Jean Roth , jroth@nber.org , 22 Apr 2016