| 3 Months | 1 Year | 5 Years | 10 Years | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (Tx 2005 - 2006) | (Tx 2005 - 2006) | (Tx 2001 - 2006) | (Tx 1996 - 2006) | ||||||||||
| N | % | Std. Err. | N | % | Std. Err. | N | % | Std. Err. | N | % | Std. Err. | ||
| Total | All | 11,503 | 90.1% | 0.3% | 11,503 | 82.4% | 0.4% | 31,137 | 67.6% | 0.3% | 51,910 | 53.4% | 0.3% |
| Yearly Center Volume | 0-9 | 186 | 93.0% | 1.9% | 186 | 87.6% | 2.4% | 664 | 65.8% | 2.3% | 1,994 | 56.7% | 1.5% |
| 10-19 | 434 | 90.6% | 1.4% | 434 | 85.3% | 1.7% | 1,447 | 70.9% | 1.5% | 2,627 | 58.4% | 1.6% | |
| 20-34 | 868 | 90.9% | 1.0% | 868 | 84.8% | 1.2% | 3,819 | 68.3% | 1.0% | 7,149 | 52.2% | 0.9% | |
| 35-56 | 1,992 | 90.9% | 0.6% | 1,992 | 83.4% | 0.8% | 4,895 | 66.7% | 0.8% | 10,455 | 53.9% | 0.7% | |
| 57+ | 8,023 | 89.7% | 0.3% | 8,023 | 81.6% | 0.4% | 20,312 | 67.6% | 0.4% | 29,685 | 52.9% | 0.4% | |