Frequencies for pharm_ev variable in parkwork dataset :

      first |
    harmful |
      event |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         25        2.29        2.29
          5 |          7        0.64        2.93
          7 |          1        0.09        3.02
          8 |        124       11.37       14.39
          9 |         13        1.19       15.58
         10 |          9        0.82       16.41
         12 |        182       16.68       33.09
         14 |        433       39.69       72.78
         18 |          5        0.46       73.24
         19 |          6        0.55       73.79
         23 |          2        0.18       73.97
         24 |          3        0.27       74.24
         25 |          6        0.55       74.79
         26 |          6        0.55       75.34
         30 |         27        2.47       77.82
         31 |         14        1.28       79.10
         32 |          6        0.55       79.65
         33 |         75        6.87       86.53
         34 |          7        0.64       87.17
         35 |          7        0.64       87.81
         38 |          8        0.73       88.54
         39 |          5        0.46       89.00
         40 |          1        0.09       89.09
         41 |          3        0.27       89.37
         42 |         30        2.75       92.12
         43 |         11        1.01       93.13
         45 |         22        2.02       95.14
         50 |          2        0.18       95.33
         52 |          3        0.27       95.60
         53 |         19        1.74       97.34
         54 |          1        0.09       97.43
         57 |          4        0.37       97.80
         58 |          8        0.73       98.53
         59 |         16        1.47      100.00
------------+-----------------------------------
      Total |      1,091      100.00

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