Frequencies for pharm_ev variable in parkwork dataset :

      first |
    harmful |
      event |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         28        2.44        2.44
          5 |          8        0.70        3.14
          8 |        112        9.77       12.91
          9 |          6        0.52       13.44
         10 |          3        0.26       13.70
         12 |        207       18.06       31.76
         14 |        491       42.84       74.61
         16 |          1        0.09       74.69
         17 |          3        0.26       74.96
         18 |          9        0.79       75.74
         19 |          5        0.44       76.18
         24 |         12        1.05       77.23
         25 |          3        0.26       77.49
         26 |          1        0.09       77.57
         30 |         32        2.79       80.37
         31 |         14        1.22       81.59
         32 |          4        0.35       81.94
         33 |         77        6.72       88.66
         34 |          4        0.35       89.01
         35 |          3        0.26       89.27
         38 |         24        2.09       91.36
         39 |         14        1.22       92.58
         42 |         18        1.57       94.15
         43 |          6        0.52       94.68
         44 |          1        0.09       94.76
         45 |         18        1.57       96.34
         46 |          2        0.17       96.51
         51 |          2        0.17       96.68
         53 |         16        1.40       98.08
         54 |          3        0.26       98.34
         58 |          1        0.09       98.43
         59 |         18        1.57      100.00
------------+-----------------------------------
      Total |      1,146      100.00

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