Frequencies for first 10,000 rows of partdbasicpremiumbelowregio variable in ma2012 dataset :

    Part D Basic Premium |
          Below Regional |
              Benchmark? |      Freq.     Percent        Cum.
-------------------------+-----------------------------------
                         |      8,214       82.14       82.14
Below Regional Benchmark |      1,786       17.86      100.00
-------------------------+-----------------------------------
                   Total |     10,000      100.00

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