| 3 Months | 1 Year | 5 Years | 10 Years | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (Tx 2006 - 2007) | (Tx 2006 - 2007) | (Tx 2002 - 2007) | (Tx 1997 - 2007) | ||||||||||
| N | % | Std. Err. | N | % | Std. Err. | N | % | Std. Err. | N | % | Std. Err. | ||
| Total | All | 4,285 | 92.8% | 0.4% | 4,285 | 87.9% | 0.5% | 12,435 | 73.7% | 0.5% | 23,446 | 54.2% | 0.5% |
| Yearly Center Volume | 0-5 | 160 | 87.5% | 2.6% | 160 | 81.3% | 3.1% | 541 | 69.3% | 2.3% | 1,372 | 52.5% | 2.0% |
| 6-10 | 374 | 90.9% | 1.5% | 374 | 87.4% | 1.7% | 1,676 | 69.9% | 1.4% | 3,206 | 49.4% | 1.4% | |
| 11-16 | 862 | 92.9% | 0.9% | 862 | 88.5% | 1.1% | 2,593 | 72.1% | 1.1% | 4,442 | 53.2% | 1.1% | |
| 17-24 | 913 | 93.6% | 0.8% | 913 | 88.0% | 1.1% | 2,057 | 76.5% | 1.2% | 3,960 | 58.7% | 1.2% | |
| 25+ | 1,976 | 93.1% | 0.6% | 1,976 | 88.2% | 0.7% | 5,568 | 74.9% | 0.7% | 10,466 | 54.7% | 0.8% | |