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

    Time of |
Accident-Mi |
       nute |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,132       11.32       11.32
          1 |         82        0.82       12.14
          2 |         48        0.48       12.62
          3 |         40        0.40       13.02
          4 |         44        0.44       13.46
          5 |        478        4.78       18.24
          6 |         29        0.29       18.53
          7 |         77        0.77       19.30
          8 |         47        0.47       19.77
          9 |         29        0.29       20.06
         10 |        487        4.87       24.93
         11 |         31        0.31       25.24
         12 |         83        0.83       26.07
         13 |         66        0.66       26.73
         14 |         62        0.62       27.35
         15 |        742        7.42       34.77
         16 |         41        0.41       35.18
         17 |         64        0.64       35.82
         18 |         64        0.64       36.46
         19 |         31        0.31       36.77
         20 |        639        6.39       43.16
         21 |         35        0.35       43.51
         22 |         29        0.29       43.80
         23 |         46        0.46       44.26
         24 |         39        0.39       44.65
         25 |        443        4.43       49.08
         26 |         27        0.27       49.35
         27 |         30        0.30       49.65
         28 |         24        0.24       49.89
         29 |         38        0.38       50.27
         30 |      1,067       10.67       60.94
         31 |         28        0.28       61.22
         32 |         25        0.25       61.47
         33 |         23        0.23       61.70
         34 |         49        0.49       62.19
         35 |        370        3.70       65.89
         36 |         33        0.33       66.22
         37 |         49        0.49       66.71
         38 |         48        0.48       67.19
         39 |         38        0.38       67.57
         40 |        603        6.03       73.60
         41 |         41        0.41       74.01
         42 |         59        0.59       74.60
         43 |         47        0.47       75.07
         44 |         37        0.37       75.44
         45 |        832        8.32       83.76
         46 |         44        0.44       84.20
         47 |         55        0.55       84.75
         48 |         55        0.55       85.30
         49 |         28        0.28       85.58
         50 |        704        7.04       92.62
         51 |         37        0.37       92.99
         52 |         34        0.34       93.33
         53 |         60        0.60       93.93
         54 |         17        0.17       94.10
         55 |        387        3.87       97.97
         56 |         42        0.42       98.39
         57 |         54        0.54       98.93
         58 |         53        0.53       99.46
         59 |         47        0.47       99.93
         99 |          7        0.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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