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

    hosp_hr |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      2,613       26.13       26.13
          1 |         15        0.15       26.28
          2 |         26        0.26       26.54
          3 |         17        0.17       26.71
          4 |          7        0.07       26.78
          5 |          9        0.09       26.87
          6 |          9        0.09       26.96
          7 |         20        0.20       27.16
          8 |         23        0.23       27.39
          9 |         21        0.21       27.60
         10 |         15        0.15       27.75
         11 |         34        0.34       28.09
         12 |         16        0.16       28.25
         13 |         30        0.30       28.55
         14 |         28        0.28       28.83
         15 |         35        0.35       29.18
         16 |         38        0.38       29.56
         17 |         42        0.42       29.98
         18 |         42        0.42       30.40
         19 |         29        0.29       30.69
         20 |         31        0.31       31.00
         21 |         32        0.32       31.32
         22 |         22        0.22       31.54
         23 |         27        0.27       31.81
         24 |          1        0.01       31.82
         99 |      6,818       68.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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