Frequencies for typeofextracoverageoffered variable in pdp2010 dataset :

  Type of Extra Coverage |
      Offered in the Gap |      Freq.     Percent        Cum.
-------------------------+-----------------------------------
            All Generics |         58        2.41        2.41
            Few Generics |          2        0.08        2.49
           Many Generics |        358       14.85       17.34
Many Generics, Few Brand |         52        2.16       19.50
         No Gap Coverage |      1,932       80.17       99.67
           Some Generics |          8        0.33      100.00
-------------------------+-----------------------------------
                   Total |      2,410      100.00

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