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

    Time of |
Accident-Mi |
       nute |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        977        9.77        9.77
          1 |         52        0.52       10.29
          2 |         36        0.36       10.65
          3 |         62        0.62       11.27
          4 |         32        0.32       11.59
          5 |        444        4.44       16.03
          6 |         47        0.47       16.50
          7 |         73        0.73       17.23
          8 |         88        0.88       18.11
          9 |         25        0.25       18.36
         10 |        599        5.99       24.35
         11 |         31        0.31       24.66
         12 |         53        0.53       25.19
         13 |         53        0.53       25.72
         14 |         17        0.17       25.89
         15 |        814        8.14       34.03
         16 |         59        0.59       34.62
         17 |         38        0.38       35.00
         18 |         55        0.55       35.55
         19 |         15        0.15       35.70
         20 |        701        7.01       42.71
         21 |         19        0.19       42.90
         22 |         66        0.66       43.56
         23 |         35        0.35       43.91
         24 |         27        0.27       44.18
         25 |        426        4.26       48.44
         26 |         43        0.43       48.87
         27 |         30        0.30       49.17
         28 |         51        0.51       49.68
         29 |         57        0.57       50.25
         30 |      1,150       11.50       61.75
         31 |         34        0.34       62.09
         32 |         47        0.47       62.56
         33 |         41        0.41       62.97
         34 |         30        0.30       63.27
         35 |        439        4.39       67.66
         36 |         26        0.26       67.92
         37 |         49        0.49       68.41
         38 |         62        0.62       69.03
         39 |         35        0.35       69.38
         40 |        634        6.34       75.72
         41 |         54        0.54       76.26
         42 |         40        0.40       76.66
         43 |         35        0.35       77.01
         44 |         25        0.25       77.26
         45 |        833        8.33       85.59
         46 |         42        0.42       86.01
         47 |         40        0.40       86.41
         48 |         25        0.25       86.66
         49 |         46        0.46       87.12
         50 |        526        5.26       92.38
         51 |         24        0.24       92.62
         52 |         47        0.47       93.09
         53 |         40        0.40       93.49
         54 |         73        0.73       94.22
         55 |        387        3.87       98.09
         56 |         47        0.47       98.56
         57 |         28        0.28       98.84
         58 |         55        0.55       99.39
         59 |         50        0.50       99.89
         99 |         11        0.11      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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