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

    Time of |
Accident-Mi |
       nute |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        991        9.91        9.91
          1 |         85        0.85       10.76
          2 |         41        0.41       11.17
          3 |         40        0.40       11.57
          4 |         51        0.51       12.08
          5 |        451        4.51       16.59
          6 |         34        0.34       16.93
          7 |         40        0.40       17.33
          8 |         62        0.62       17.95
          9 |         42        0.42       18.37
         10 |        710        7.10       25.47
         11 |         57        0.57       26.04
         12 |         80        0.80       26.84
         13 |         74        0.74       27.58
         14 |         32        0.32       27.90
         15 |        738        7.38       35.28
         16 |         45        0.45       35.73
         17 |         45        0.45       36.18
         18 |         74        0.74       36.92
         19 |         26        0.26       37.18
         20 |        536        5.36       42.54
         21 |         63        0.63       43.17
         22 |         57        0.57       43.74
         23 |         81        0.81       44.55
         24 |         34        0.34       44.89
         25 |        389        3.89       48.78
         26 |         46        0.46       49.24
         27 |         28        0.28       49.52
         28 |         82        0.82       50.34
         29 |         31        0.31       50.65
         30 |        970        9.70       60.35
         31 |         46        0.46       60.81
         32 |        135        1.35       62.16
         33 |         38        0.38       62.54
         34 |         40        0.40       62.94
         35 |        431        4.31       67.25
         36 |         49        0.49       67.74
         37 |         37        0.37       68.11
         38 |         57        0.57       68.68
         39 |         80        0.80       69.48
         40 |        600        6.00       75.48
         41 |         26        0.26       75.74
         42 |         54        0.54       76.28
         43 |         62        0.62       76.90
         44 |         53        0.53       77.43
         45 |        661        6.61       84.04
         46 |         50        0.50       84.54
         47 |         37        0.37       84.91
         48 |         75        0.75       85.66
         49 |         36        0.36       86.02
         50 |        628        6.28       92.30
         51 |         43        0.43       92.73
         52 |         49        0.49       93.22
         53 |         50        0.50       93.72
         54 |         39        0.39       94.11
         55 |        337        3.37       97.48
         56 |         40        0.40       97.88
         57 |         62        0.62       98.50
         58 |         62        0.62       99.12
         59 |         54        0.54       99.66
         99 |         34        0.34      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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