Percentage of athletes taking an IBA who were also using an inhaled GCS
| Olympic Games | IBA users taking an inhaled GCS |
| Atlanta 1996# | 46.1% |
| Athens 2004 | 69.9% |
| Torino 2006 | 77.2% |
| Beijing 2008 | 87.2% |
No data were available for games held in 1998, 2000 and 2002. #: In Atlanta, IBA use was by notification only, for the other Games athletes had demonstrated asthma or AHR.