Frequencies for first 10,000 rows of typeofadditionalcoverageoff variable in planreport2011 dataset :

  Type of Additional Coverage |
           Offered in the Gap |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                              |      7,326       73.26       73.26
                 All Generics |          5        0.05       73.31
  All Generics and Few Brands |          3        0.03       73.34
                 Few Generics |         37        0.37       73.71
  Few Generics and Few Brands |        277        2.77       76.48
     Few Generics, Few Brands |        243        2.43       78.91
                Many Generics |        191        1.91       80.82
 Many Generics and Few Brands |          7        0.07       80.89
    Many Generics, Few Brands |          3        0.03       80.92
              No Gap Coverage |      1,244       12.44       93.36
                         None |        370        3.70       97.06
                Some Generics |        294        2.94      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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