Frequencies for first 10,000 rows of typeofextracoverageinthega variable in planreport2009 dataset :

Type of Extra Coverage in the |
                          Gap |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                              |      8,339       83.39       83.39
                 All Generics |        195        1.95       85.34
                   Few Brands |          2        0.02       85.36
                 Few Generics |        165        1.65       87.01
  Few Generics and Few Brands |        369        3.69       90.70
      Few Generics, Few Brand |        140        1.40       92.10
     Few Generics, Few Brands |         40        0.40       92.50
                Many Generics |        428        4.28       96.78
Many Generics and Some Brands |          4        0.04       96.82
     Many Generics, Few Brand |         26        0.26       97.08
   Many Generics, Some Brands |          3        0.03       97.11
                Some Generics |        274        2.74       99.85
Some Generics and Some Brands |         11        0.11       99.96
   Some Generics, Some Brands |          4        0.04      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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