| 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 | 4,042 | 92.5% | 0.4% | 4,042 | 87.6% | 0.5% | 12,038 | 73.9% | 0.5% | 22,849 | 55.1% | 0.5% |
| Yearly Center Volume | 0-5 | 124 | 88.7% | 2.8% | 124 | 80.6% | 3.5% | 704 | 68.5% | 2.1% | 1,451 | 51.2% | 2.0% |
| 6-10 | 523 | 90.6% | 1.3% | 523 | 85.7% | 1.5% | 1,504 | 71.7% | 1.4% | 2,780 | 52.3% | 1.4% | |
| 11-16 | 885 | 93.3% | 0.8% | 885 | 89.3% | 1.0% | 2,534 | 72.0% | 1.1% | 3,979 | 53.2% | 1.2% | |
| 17-24 | 710 | 93.4% | 0.9% | 710 | 88.5% | 1.2% | 1,648 | 76.6% | 1.3% | 4,539 | 59.1% | 1.1% | |
| 25+ | 1,800 | 92.6% | 0.6% | 1,800 | 87.6% | 0.8% | 5,648 | 75.3% | 0.7% | 10,100 | 55.4% | 0.8% | |