Frequencies for zerodollarpremiumwithfulllo variable in pdp2013 dataset :

 $0 Premium |
  with Full |
 Low-Income |
   Subsidy? |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        932       70.18       70.18
          x |        396       29.82      100.00
------------+-----------------------------------
      Total |      1,328      100.00

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