Frequencies for first 10,000 rows of hosp_hr variable in accident dataset :

ems time at |
   hospital |
     (hour) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         49        0.49        0.49
          1 |         50        0.50        0.99
          2 |         34        0.34        1.33
          3 |         28        0.28        1.61
          4 |         28        0.28        1.89
          5 |         29        0.29        2.18
          6 |         26        0.26        2.44
          7 |         63        0.63        3.07
          8 |         44        0.44        3.51
          9 |         41        0.41        3.92
         10 |         50        0.50        4.42
         11 |         44        0.44        4.86
         12 |         61        0.61        5.47
         13 |         60        0.60        6.07
         14 |         59        0.59        6.66
         15 |         79        0.79        7.45
         16 |         74        0.74        8.19
         17 |         90        0.90        9.09
         18 |         90        0.90        9.99
         19 |         78        0.78       10.77
         20 |         98        0.98       11.75
         21 |         90        0.90       12.65
         22 |         74        0.74       13.39
         23 |         64        0.64       14.03
         88 |      3,400       34.00       48.03
         99 |      5,197       51.97      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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