Frequencies for first 10,000 rows of open_hrt_srgry_srvc_cd variable in pos2014 Services: | Cardiac | Thoracic | Surgery | Code | Freq. Percent Cum. ------------+----------------------------------- . | 8,592 85.92 85.92 0 | 1,128 11.28 97.20 1 | 205 2.05 99.25 2 | 44 0.44 99.69 3 | 31 0.31 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016