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

    Time of |
Accident-Mi |
       nute |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        959        9.59        9.59
          1 |         44        0.44       10.03
          2 |         77        0.77       10.80
          3 |         54        0.54       11.34
          4 |         75        0.75       12.09
          5 |        339        3.39       15.48
          6 |         80        0.80       16.28
          7 |         68        0.68       16.96
          8 |         70        0.70       17.66
          9 |         46        0.46       18.12
         10 |        510        5.10       23.22
         11 |         27        0.27       23.49
         12 |         48        0.48       23.97
         13 |         51        0.51       24.48
         14 |         40        0.40       24.88
         15 |        702        7.02       31.90
         16 |         60        0.60       32.50
         17 |         59        0.59       33.09
         18 |         53        0.53       33.62
         19 |         41        0.41       34.03
         20 |        613        6.13       40.16
         21 |         29        0.29       40.45
         22 |         72        0.72       41.17
         23 |         62        0.62       41.79
         24 |         59        0.59       42.38
         25 |        412        4.12       46.50
         26 |         43        0.43       46.93
         27 |         44        0.44       47.37
         28 |         65        0.65       48.02
         29 |         47        0.47       48.49
         30 |        928        9.28       57.77
         31 |         64        0.64       58.41
         32 |         59        0.59       59.00
         33 |         54        0.54       59.54
         34 |         53        0.53       60.07
         35 |        380        3.80       63.87
         36 |         71        0.71       64.58
         37 |         50        0.50       65.08
         38 |         81        0.81       65.89
         39 |         63        0.63       66.52
         40 |        531        5.31       71.83
         41 |         67        0.67       72.50
         42 |         64        0.64       73.14
         43 |         41        0.41       73.55
         44 |         60        0.60       74.15
         45 |        796        7.96       82.11
         46 |         55        0.55       82.66
         47 |         63        0.63       83.29
         48 |        100        1.00       84.29
         49 |         39        0.39       84.68
         50 |        587        5.87       90.55
         51 |         21        0.21       90.76
         52 |         54        0.54       91.30
         53 |         77        0.77       92.07
         54 |         57        0.57       92.64
         55 |        481        4.81       97.45
         56 |         42        0.42       97.87
         57 |         39        0.39       98.26
         58 |        110        1.10       99.36
         59 |         37        0.37       99.73
         99 |         27        0.27      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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