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

    Time of |
Accident-Mi |
       nute |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,123       11.23       11.23
          1 |         90        0.90       12.13
          2 |         37        0.37       12.50
          3 |         40        0.40       12.90
          4 |         38        0.38       13.28
          5 |        417        4.17       17.45
          6 |         52        0.52       17.97
          7 |         54        0.54       18.51
          8 |         47        0.47       18.98
          9 |         37        0.37       19.35
         10 |        541        5.41       24.76
         11 |         14        0.14       24.90
         12 |         43        0.43       25.33
         13 |         35        0.35       25.68
         14 |         51        0.51       26.19
         15 |        885        8.85       35.04
         16 |         47        0.47       35.51
         17 |         54        0.54       36.05
         18 |         62        0.62       36.67
         19 |         52        0.52       37.19
         20 |        590        5.90       43.09
         21 |         31        0.31       43.40
         22 |         40        0.40       43.80
         23 |         38        0.38       44.18
         24 |         41        0.41       44.59
         25 |        401        4.01       48.60
         26 |         41        0.41       49.01
         27 |         59        0.59       49.60
         28 |         58        0.58       50.18
         29 |         66        0.66       50.84
         30 |      1,087       10.87       61.71
         31 |         21        0.21       61.92
         32 |         41        0.41       62.33
         33 |         43        0.43       62.76
         34 |         19        0.19       62.95
         35 |        400        4.00       66.95
         36 |         24        0.24       67.19
         37 |         43        0.43       67.62
         38 |         38        0.38       68.00
         39 |         34        0.34       68.34
         40 |        597        5.97       74.31
         41 |         32        0.32       74.63
         42 |         42        0.42       75.05
         43 |         21        0.21       75.26
         44 |         40        0.40       75.66
         45 |        789        7.89       83.55
         46 |         34        0.34       83.89
         47 |         34        0.34       84.23
         48 |         47        0.47       84.70
         49 |         54        0.54       85.24
         50 |        578        5.78       91.02
         51 |         45        0.45       91.47
         52 |         36        0.36       91.83
         53 |         53        0.53       92.36
         54 |         41        0.41       92.77
         55 |        457        4.57       97.34
         56 |         51        0.51       97.85
         57 |        105        1.05       98.90
         58 |         57        0.57       99.47
         59 |         46        0.46       99.93
         99 |          7        0.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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