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

    Time of |
Accident-Mi |
       nute |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,025       10.25       10.25
          1 |         57        0.57       10.82
          2 |         53        0.53       11.35
          3 |         63        0.63       11.98
          4 |         46        0.46       12.44
          5 |        449        4.49       16.93
          6 |         39        0.39       17.32
          7 |         64        0.64       17.96
          8 |         72        0.72       18.68
          9 |         41        0.41       19.09
         10 |        584        5.84       24.93
         11 |         45        0.45       25.38
         12 |         55        0.55       25.93
         13 |         57        0.57       26.50
         14 |         43        0.43       26.93
         15 |        750        7.50       34.43
         16 |         52        0.52       34.95
         17 |         70        0.70       35.65
         18 |         77        0.77       36.42
         19 |         34        0.34       36.76
         20 |        614        6.14       42.90
         21 |         45        0.45       43.35
         22 |         50        0.50       43.85
         23 |         61        0.61       44.46
         24 |         34        0.34       44.80
         25 |        458        4.58       49.38
         26 |         40        0.40       49.78
         27 |         44        0.44       50.22
         28 |         31        0.31       50.53
         29 |         45        0.45       50.98
         30 |      1,151       11.51       62.49
         31 |         34        0.34       62.83
         32 |         66        0.66       63.49
         33 |         53        0.53       64.02
         34 |         52        0.52       64.54
         35 |        423        4.23       68.77
         36 |         32        0.32       69.09
         37 |         53        0.53       69.62
         38 |         38        0.38       70.00
         39 |         47        0.47       70.47
         40 |        587        5.87       76.34
         41 |         46        0.46       76.80
         42 |         48        0.48       77.28
         43 |         30        0.30       77.58
         44 |         39        0.39       77.97
         45 |        667        6.67       84.64
         46 |         30        0.30       84.94
         47 |         36        0.36       85.30
         48 |         37        0.37       85.67
         49 |         29        0.29       85.96
         50 |        597        5.97       91.93
         51 |         45        0.45       92.38
         52 |         70        0.70       93.08
         53 |         52        0.52       93.60
         54 |         55        0.55       94.15
         55 |        401        4.01       98.16
         56 |         67        0.67       98.83
         57 |         40        0.40       99.23
         58 |         29        0.29       99.52
         59 |         46        0.46       99.98
         99 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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