Number of procedures identified in HES in the financial years 2004–2015
| CABG | Valve | Major aortic | Transplant | Other | |
| 2004 | 19 605 | 5530 | 298 | 129 | 722 |
| 2005 | 17 713 | 5529 | 324 | 109 | 737 |
| 2006 | 17 602 | 5819 | 407 | 109 | 801 |
| 2007 | 19 217 | 6394 | 435 | 91 | 873 |
| 2008 | 18 208 | 6770 | 463 | 84 | 917 |
| 2009 | 16 177 | 6517 | 497 | 77 | 1043 |
| 2010 | 15 226 | 6430 | 595 | 79 | 1156 |
| 2011 | 14 977 | 7284 | 567 | 92 | 1109 |
| 2012 | 14 119 | 7320 | 632 | 101 | 1014 |
| 2013 | 14 815 | 7991 | 664 | 132 | 1068 |
| 2014 | 14 030 | 8430 | 701 | 110 | 1139 |
| 2015 | 12 829 | 8658 | 620 | 137 | 1204 |
| Total | 194 518 | 82 672 | 6203 | 1250 | 11 783 |
CABG, coronary artery bypass grafting; HES, Hospital Episode Statistics.