Frequencies for first 10,000 rows of iscovered variable in bencs2015 dataset :

    Is this |
    Benefit |
   Covered? |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         91        0.91        0.91
    Covered |      7,580       75.80       76.71
Not Covered |      2,329       23.29      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 9 Dec 2017