| On Life Support at Tx | Year | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | |
| Total | 23,531 | 25,930 | 28,277 | 30,613 | 33,121 | 35,714 | 38,354 | 41,105 | 42,286 |
| No | 21,000 | 23,205 | 25,364 | 27,638 | 30,056 | 32,567 | 35,152 | 37,851 | 39,073 |
| Yes | 2,452 | 2,648 | 2,842 | 2,908 | 3,003 | 3,087 | 3,145 | 3,201 | 3,164 |
| Unknown | 79 | 77 | 71 | 67 | 62 | 60 | 57 | 53 | 49 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| No | 89.2% | 89.5% | 89.7% | 90.3% | 90.7% | 91.2% | 91.7% | 92.1% | 92.4% |
| Yes | 10.4% | 10.2% | 10.1% | 9.5% | 9.1% | 8.6% | 8.2% | 7.8% | 7.5% |
| Unknown | 0.3% | 0.3% | 0.3% | 0.2% | 0.2% | 0.2% | 0.1% | 0.1% | 0.1% |