Frequencies for first 10,000 rows of typeofadditionalcoverageoff variable in ma2012 dataset :

  Type of Additional Coverage |
           Offered in the Gap |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                              |      7,065       70.65       70.65
                 All Generics |          3        0.03       70.68
  All Generics and Few Brands |          3        0.03       70.71
                 Few Generics |         80        0.80       71.51
  Few Generics and Few Brands |        411        4.11       75.62
     Few Generics, Few Brands |        164        1.64       77.26
                Many Generics |        136        1.36       78.62
 Many Generics and Few Brands |         18        0.18       78.80
              No Gap Coverage |      1,728       17.28       96.08
                Some Generics |        392        3.92      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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