| Patient Status | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | |
| Total | 59,828 | 65,207 | 71,558 | 76,797 | 78,359 | 81,739 | 85,213 | 88,715 | 92,845 | 97,248 |
| Active | 51,037 | 56,286 | 61,644 | 64,795 | 64,707 | 65,210 | 64,317 | 63,479 | 64,099 | 65,411 |
| Inactive | 8,742 | 8,912 | 9,913 | 12,002 | 13,652 | 16,529 | 20,896 | 25,219 | 28,737 | 31,821 |
| Unknown | 49 | 9 | 1 | - | - | - | - | 17 | 9 | 16 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Active | 85.3% | 86.3% | 86.1% | 84.4% | 82.6% | 79.8% | 75.5% | 71.6% | 69.0% | 67.3% |
| Inactive | 14.6% | 13.7% | 13.9% | 15.6% | 17.4% | 20.2% | 24.5% | 28.4% | 31.0% | 32.7% |
| Unknown | 0.1% | 0.0% | 0.0% | - | - | - | - | 0.0% | 0.0% | 0.0% |