Frequencies for typeofadditionaldrugcoverag variable in pdp2012 dataset :

      Type of Additional Drug |
  Coverage Offered in the Gap |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                 All Generics |         14        0.87        0.87
                 Few Generics |         28        1.75        2.62
                Many Generics |        114        7.11        9.73
Many Generics and Some Brands |         57        3.56       13.29
              No Gap Coverage |      1,189       74.17       87.46
                Some Generics |        150        9.36       96.82
Some Generics and Some Brands |         51        3.18      100.00
------------------------------+-----------------------------------
                        Total |      1,603      100.00

by Jean Roth , jroth@nber.org , 14 Apr 2016