| Antibiotic resistance profiles | 2007 (%) | 2009 (%) | 2011 (%) |
| Percentage of GC fully sensitive to antibiotic testing panel | 46 | 67 | 59 |
| Percentage of GC fully sensitive to antibiotic testing panel | 27 | 15 | 20 |
| Reduced susceptibility to two antibiotic groups | 15 | 10 | 16 |
| Reduced susceptibility to three or more antibiotic groups | 12 | 2 | 5 |