Frequencies for first 10,000 rows of adm_partd variable in mcbsatc2013 dataset Part D plan | flag for | the year | Freq. Percent Cum. ------------+----------------------------------- 1 | 7,134 71.34 71.34 2 | 2,866 28.66 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 24 May 2016