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

      First |
    Harmful |
      Event |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,059       10.59       10.59
          2 |          7        0.07       10.66
          3 |         28        0.28       10.94
          4 |          4        0.04       10.98
          5 |         72        0.72       11.70
          7 |         14        0.14       11.84
          8 |      1,438       14.38       26.22
          9 |        187        1.87       28.09
         10 |        117        1.17       29.26
         11 |         11        0.11       29.37
         12 |      5,219       52.19       81.56
         13 |         35        0.35       81.91
         14 |        123        1.23       83.14
         16 |         26        0.26       83.40
         17 |        133        1.33       84.73
         18 |         36        0.36       85.09
         19 |        170        1.70       86.79
         20 |        159        1.59       88.38
         21 |         74        0.74       89.12
         22 |        186        1.86       90.98
         23 |         42        0.42       91.40
         24 |        128        1.28       92.68
         25 |         37        0.37       93.05
         26 |         42        0.42       93.47
         27 |        322        3.22       96.69
         28 |        198        1.98       98.67
         29 |         60        0.60       99.27
         31 |         70        0.70       99.97
         99 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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