Frequencies for arr_min variable in accident dataset :

    arr_min |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          5        1.30        1.30
          2 |          1        0.26        1.56
          5 |          2        0.52        2.08
         10 |          6        1.56        3.65
         13 |          1        0.26        3.91
         14 |          1        0.26        4.17
         15 |          5        1.30        5.47
         20 |          5        1.30        6.77
         25 |          4        1.04        7.81
         26 |          1        0.26        8.07
         30 |          7        1.82        9.90
         33 |          1        0.26       10.16
         35 |          6        1.56       11.72
         38 |          1        0.26       11.98
         40 |          7        1.82       13.80
         42 |          1        0.26       14.06
         45 |          3        0.78       14.84
         47 |          1        0.26       15.10
         48 |          2        0.52       15.62
         49 |          1        0.26       15.89
         50 |          3        0.78       16.67
         55 |          4        1.04       17.71
         57 |          1        0.26       17.97
         58 |          1        0.26       18.23
         99 |        314       81.77      100.00
------------+-----------------------------------
      Total |        384      100.00

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