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

    Time of |
Accident-Mi |
       nute |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,093       10.93       10.93
          1 |         64        0.64       11.57
          2 |         54        0.54       12.11
          3 |         34        0.34       12.45
          4 |         36        0.36       12.81
          5 |        417        4.17       16.98
          6 |         38        0.38       17.36
          7 |         48        0.48       17.84
          8 |         38        0.38       18.22
          9 |         45        0.45       18.67
         10 |        634        6.34       25.01
         11 |         44        0.44       25.45
         12 |         41        0.41       25.86
         13 |         55        0.55       26.41
         14 |         43        0.43       26.84
         15 |        849        8.49       35.33
         16 |         39        0.39       35.72
         17 |         65        0.65       36.37
         18 |         54        0.54       36.91
         19 |         20        0.20       37.11
         20 |        558        5.58       42.69
         21 |         44        0.44       43.13
         22 |         47        0.47       43.60
         23 |         52        0.52       44.12
         24 |         49        0.49       44.61
         25 |        351        3.51       48.12
         26 |         37        0.37       48.49
         27 |         75        0.75       49.24
         28 |         41        0.41       49.65
         29 |         21        0.21       49.86
         30 |      1,189       11.89       61.75
         31 |         22        0.22       61.97
         32 |         36        0.36       62.33
         33 |         36        0.36       62.69
         34 |         18        0.18       62.87
         35 |        470        4.70       67.57
         36 |         23        0.23       67.80
         37 |         25        0.25       68.05
         38 |         42        0.42       68.47
         39 |         29        0.29       68.76
         40 |        563        5.63       74.39
         41 |         43        0.43       74.82
         42 |         60        0.60       75.42
         43 |         38        0.38       75.80
         44 |         53        0.53       76.33
         45 |        833        8.33       84.66
         46 |         53        0.53       85.19
         47 |         54        0.54       85.73
         48 |         32        0.32       86.05
         49 |         35        0.35       86.40
         50 |        600        6.00       92.40
         51 |         35        0.35       92.75
         52 |         50        0.50       93.25
         53 |         30        0.30       93.55
         54 |         17        0.17       93.72
         55 |        430        4.30       98.02
         56 |         45        0.45       98.47
         57 |         35        0.35       98.82
         58 |         45        0.45       99.27
         59 |         68        0.68       99.95
         99 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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