| Type of Procedure | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | |
| Total | 2,102 | 2,420 | 2,809 | 3,112 | 3,385 | 3,702 | 4,138 | 4,460 | 4,709 | 5,404 |
| Double Lung | 805 | 997 | 1,215 | 1,367 | 1,492 | 1,689 | 1,883 | 2,105 | 2,288 | 2,744 |
| Single Lung | 1,297 | 1,423 | 1,594 | 1,745 | 1,893 | 2,013 | 2,255 | 2,355 | 2,421 | 2,660 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Double Lung | 38.3% | 41.2% | 43.3% | 43.9% | 44.1% | 45.6% | 45.5% | 47.2% | 48.6% | 50.8% |
| Single Lung | 61.7% | 58.8% | 56.7% | 56.1% | 55.9% | 54.4% | 54.5% | 52.8% | 51.4% | 49.2% |