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

    Time of |
Accident-Mi |
       nute |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        904        9.04        9.04
          1 |         87        0.87        9.91
          2 |         57        0.57       10.48
          3 |         62        0.62       11.10
          4 |         68        0.68       11.78
          5 |        432        4.32       16.10
          6 |         65        0.65       16.75
          7 |         52        0.52       17.27
          8 |         60        0.60       17.87
          9 |         62        0.62       18.49
         10 |        553        5.53       24.02
         11 |         44        0.44       24.46
         12 |         74        0.74       25.20
         13 |         54        0.54       25.74
         14 |         57        0.57       26.31
         15 |        625        6.25       32.56
         16 |         42        0.42       32.98
         17 |         92        0.92       33.90
         18 |         81        0.81       34.71
         19 |         55        0.55       35.26
         20 |        629        6.29       41.55
         21 |         32        0.32       41.87
         22 |         72        0.72       42.59
         23 |         83        0.83       43.42
         24 |         51        0.51       43.93
         25 |        445        4.45       48.38
         26 |         72        0.72       49.10
         27 |         83        0.83       49.93
         28 |         67        0.67       50.60
         29 |         49        0.49       51.09
         30 |        975        9.75       60.84
         31 |         31        0.31       61.15
         32 |         64        0.64       61.79
         33 |         54        0.54       62.33
         34 |         26        0.26       62.59
         35 |        405        4.05       66.64
         36 |         60        0.60       67.24
         37 |         46        0.46       67.70
         38 |        105        1.05       68.75
         39 |         59        0.59       69.34
         40 |        541        5.41       74.75
         41 |         33        0.33       75.08
         42 |         71        0.71       75.79
         43 |         70        0.70       76.49
         44 |         81        0.81       77.30
         45 |        611        6.11       83.41
         46 |         63        0.63       84.04
         47 |         58        0.58       84.62
         48 |         75        0.75       85.37
         49 |         40        0.40       85.77
         50 |        557        5.57       91.34
         51 |         53        0.53       91.87
         52 |         40        0.40       92.27
         53 |         43        0.43       92.70
         54 |         62        0.62       93.32
         55 |        389        3.89       97.21
         56 |         47        0.47       97.68
         57 |         40        0.40       98.08
         58 |        102        1.02       99.10
         59 |         69        0.69       99.79
         99 |         21        0.21      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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