Frequencies for zerodollarpremiumwithfulllo variable in pdp2011 dataset :

 $0 Premium |
  with Full |
 Low-Income |
   Subsidy? |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        998       68.83       68.83
          x |        452       31.17      100.00
------------+-----------------------------------
      Total |      1,450      100.00

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