Frequencies for s2_1_c2_127 variable in hcris2552_10_2010 dataset : medicare | certified | heart tc | term date | s200001 | 12700 00200 | Freq. Percent Cum. ------------+----------------------------------- | 2,320 99.91 99.91 07/11/2009 | 1 0.04 99.96 07/15/2012 | 1 0.04 100.00 ------------+----------------------------------- Total | 2,322 100.00 by Jean Roth , jroth@nber.org , 23 Aug 2018