Frequencies for first 10,000 rows of iscovered variable in bencs2017 dataset :

    Is this |
    Benefit |
   Covered? |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      1,127       11.27       11.27
    Covered |      7,832       78.32       89.59
Not Covered |      1,041       10.41      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 Dec 2017