Frequencies for measurestartdate variable in hqi_national_readmcompdeath datase Measure | Start Date | Freq. Percent Cum. ------------+----------------------------------- 01jul2009 | 8 53.33 53.33 01jul2010 | 6 40.00 93.33 01jul2011 | 1 6.67 100.00 ------------+----------------------------------- Total | 15 100.00 by Jean Roth , jroth@nber.org , 16 Nov 2016