Frequencies for first 10,000 rows of ins_mhmoeye variable in mcbsatc2013 datase Medicare | Advantage | plan covers | eye exams | Freq. Percent Cum. ------------+----------------------------------- -8 | 266 2.66 2.66 -7 | 1 0.01 2.67 1 | 1,774 17.74 20.41 2 | 1,278 12.78 33.19 . | 6,681 66.81 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 24 May 2016