Frequencies for pharm_ev variable in parkwork dataset :

      first |
    harmful |
      event |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         28        2.46        2.46
          5 |          8        0.70        3.17
          8 |        109        9.60       12.76
          9 |          6        0.53       13.29
         10 |          3        0.26       13.56
         12 |        206       18.13       31.69
         14 |        486       42.78       74.47
         16 |          1        0.09       74.56
         17 |          3        0.26       74.82
         18 |          9        0.79       75.62
         19 |          5        0.44       76.06
         24 |         12        1.06       77.11
         25 |          3        0.26       77.38
         26 |          1        0.09       77.46
         30 |         32        2.82       80.28
         31 |         14        1.23       81.51
         32 |          4        0.35       81.87
         33 |         77        6.78       88.64
         34 |          4        0.35       89.00
         35 |          3        0.26       89.26
         38 |         23        2.02       91.29
         39 |         14        1.23       92.52
         42 |         18        1.58       94.10
         43 |          6        0.53       94.63
         44 |          1        0.09       94.72
         45 |         18        1.58       96.30
         46 |          2        0.18       96.48
         51 |          2        0.18       96.65
         53 |         16        1.41       98.06
         54 |          3        0.26       98.33
         58 |          1        0.09       98.42
         59 |         18        1.58      100.00
------------+-----------------------------------
      Total |      1,136      100.00

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