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

    Time of |
Accident-Mi |
       nute |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,222       12.22       12.22
          1 |         40        0.40       12.62
          2 |         46        0.46       13.08
          3 |         45        0.45       13.53
          4 |         31        0.31       13.84
          5 |        482        4.82       18.66
          6 |         52        0.52       19.18
          7 |         45        0.45       19.63
          8 |         58        0.58       20.21
          9 |         26        0.26       20.47
         10 |        594        5.94       26.41
         11 |         16        0.16       26.57
         12 |         52        0.52       27.09
         13 |         51        0.51       27.60
         14 |         43        0.43       28.03
         15 |        764        7.64       35.67
         16 |         41        0.41       36.08
         17 |         36        0.36       36.44
         18 |         56        0.56       37.00
         19 |         62        0.62       37.62
         20 |        612        6.12       43.74
         21 |         31        0.31       44.05
         22 |         54        0.54       44.59
         23 |         48        0.48       45.07
         24 |         26        0.26       45.33
         25 |        447        4.47       49.80
         26 |         57        0.57       50.37
         27 |         68        0.68       51.05
         28 |         46        0.46       51.51
         29 |         38        0.38       51.89
         30 |      1,021       10.21       62.10
         31 |         44        0.44       62.54
         32 |         51        0.51       63.05
         33 |         49        0.49       63.54
         34 |         27        0.27       63.81
         35 |        378        3.78       67.59
         36 |         56        0.56       68.15
         37 |         31        0.31       68.46
         38 |         27        0.27       68.73
         39 |         41        0.41       69.14
         40 |        548        5.48       74.62
         41 |         29        0.29       74.91
         42 |         46        0.46       75.37
         43 |         42        0.42       75.79
         44 |         57        0.57       76.36
         45 |        830        8.30       84.66
         46 |         32        0.32       84.98
         47 |         58        0.58       85.56
         48 |         31        0.31       85.87
         49 |         23        0.23       86.10
         50 |        565        5.65       91.75
         51 |         66        0.66       92.41
         52 |         82        0.82       93.23
         53 |         58        0.58       93.81
         54 |         55        0.55       94.36
         55 |        409        4.09       98.45
         56 |         26        0.26       98.71
         57 |         18        0.18       98.89
         58 |         62        0.62       99.51
         59 |         46        0.46       99.97
         99 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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