Frequencies for first 10,000 rows of partdpremiumobligationwiths variable in planreport2007 dataset :

     Entire |
      basic |
 portion of |
 the Part D |
 premium is |
 subsidized |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,781       97.81       97.81
          * |        219        2.19      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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