| 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | |
|---|---|---|---|---|---|---|---|
| Men with symptoms of sexually transmitted infection | 7.1 | 8 | 6.5 | 6 | 3.2 | 4.1 | 4.9 |
| Injecting drug users | 62.7 | 40.9 | 24.1 | 37.9 | 34.4 | 43.2 | 42.5 |
| Female sex workers | 38.0 | 33.5 | 32.3 | 31.4 | 27.5 | 32.0 | 33.5 |
| Ante-natal care attendees | 2.2 | 2.2 | 2.1 | 1.6 | 1.8 | 1.3 | 1.5 |
| Blood donors | 1.0 | 1.1 | 1.2 | 1.2 | 0.8 | 0.7 | 0.4 |
| Military recruits | 1.4 | 1.8 | 2 | 2.1 | 1.6 | 1.3 | 1.0 |
| Tuberculosis patients | 10.3 | 11.3 | |||||