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

      First |
    Harmful |
      Event |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        990        9.90        9.90
          2 |          6        0.06        9.96
          3 |         16        0.16       10.12
          5 |         90        0.90       11.02
          7 |          4        0.04       11.06
          8 |      1,463       14.63       25.69
          9 |        176        1.76       27.45
         10 |        131        1.31       28.76
         11 |         22        0.22       28.98
         12 |      4,836       48.36       77.34
         13 |          8        0.08       77.42
         14 |        180        1.80       79.22
         16 |         21        0.21       79.43
         17 |        121        1.21       80.64
         18 |          4        0.04       80.68
         19 |        185        1.85       82.53
         20 |        300        3.00       85.53
         21 |         67        0.67       86.20
         22 |        271        2.71       88.91
         23 |         74        0.74       89.65
         24 |        223        2.23       91.88
         25 |         24        0.24       92.12
         26 |         63        0.63       92.75
         27 |        335        3.35       96.10
         28 |        196        1.96       98.06
         29 |         42        0.42       98.48
         31 |        133        1.33       99.81
         99 |         19        0.19      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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