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

    Time of |
Accident-Mi |
       nute |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        837        8.37        8.37
          1 |         77        0.77        9.14
          2 |         53        0.53        9.67
          3 |         91        0.91       10.58
          4 |         48        0.48       11.06
          5 |        444        4.44       15.50
          6 |         49        0.49       15.99
          7 |         62        0.62       16.61
          8 |         70        0.70       17.31
          9 |         87        0.87       18.18
         10 |        530        5.30       23.48
         11 |         61        0.61       24.09
         12 |         64        0.64       24.73
         13 |         81        0.81       25.54
         14 |         45        0.45       25.99
         15 |        669        6.69       32.68
         16 |         40        0.40       33.08
         17 |         72        0.72       33.80
         18 |         89        0.89       34.69
         19 |         61        0.61       35.30
         20 |        710        7.10       42.40
         21 |         65        0.65       43.05
         22 |         42        0.42       43.47
         23 |         58        0.58       44.05
         24 |         62        0.62       44.67
         25 |        351        3.51       48.18
         26 |         78        0.78       48.96
         27 |         51        0.51       49.47
         28 |         69        0.69       50.16
         29 |         51        0.51       50.67
         30 |        966        9.66       60.33
         31 |         54        0.54       60.87
         32 |         49        0.49       61.36
         33 |         81        0.81       62.17
         34 |         50        0.50       62.67
         35 |        453        4.53       67.20
         36 |         66        0.66       67.86
         37 |         41        0.41       68.27
         38 |         85        0.85       69.12
         39 |         55        0.55       69.67
         40 |        432        4.32       73.99
         41 |         50        0.50       74.49
         42 |         60        0.60       75.09
         43 |         75        0.75       75.84
         44 |         29        0.29       76.13
         45 |        642        6.42       82.55
         46 |         72        0.72       83.27
         47 |         58        0.58       83.85
         48 |         47        0.47       84.32
         49 |         42        0.42       84.74
         50 |        574        5.74       90.48
         51 |         39        0.39       90.87
         52 |         71        0.71       91.58
         53 |         32        0.32       91.90
         54 |         52        0.52       92.42
         55 |        453        4.53       96.95
         56 |         46        0.46       97.41
         57 |         91        0.91       98.32
         58 |         93        0.93       99.25
         59 |         47        0.47       99.72
         99 |         28        0.28      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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