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

    hosp_hr |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         45        0.45        0.45
          1 |         36        0.36        0.81
          2 |         52        0.52        1.33
          3 |         39        0.39        1.72
          4 |         28        0.28        2.00
          5 |         27        0.27        2.27
          6 |         28        0.28        2.55
          7 |         31        0.31        2.86
          8 |         55        0.55        3.41
          9 |         44        0.44        3.85
         10 |         47        0.47        4.32
         11 |         56        0.56        4.88
         12 |         56        0.56        5.44
         13 |         64        0.64        6.08
         14 |         64        0.64        6.72
         15 |         77        0.77        7.49
         16 |         74        0.74        8.23
         17 |         90        0.90        9.13
         18 |         82        0.82        9.95
         19 |         98        0.98       10.93
         20 |         95        0.95       11.88
         21 |         98        0.98       12.86
         22 |         53        0.53       13.39
         23 |         60        0.60       13.99
         88 |      3,176       31.76       45.75
         99 |      5,425       54.25      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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