Percentage of athletes approved to inhale β2 agonists (IBA) and percentage of athletes inhaling corticosteroids (ICS) with and without IBA in Olympic Games between 2002 and 2010
| Games year | Percentage of athletes approved IBA use | Percentage of athletes using ICS with IBA | Percentage of athletes using ICS but not an IBA |
|---|---|---|---|
| Vancouver 2010 | 7.1% | 75.3% | * |
| Beijing 2008 | 7.2% | 87.2% | 1.3% |
| Torino 2006 | 7.8% | 77.2% | 0.5% |
| Athens 2004 | 4.2% | 69.9% | 0.5% |
| Salt Lake City 2002 | 5.2% | † | † |