| 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 | 3,218 | 96.4% | 0.3% | 3,218 | 90.9% | 0.5% | 8,208 | 69.6% | 0.7% | 13,429 | 46.7% | 0.7% |
| Yearly Center Volume | 0-12 | 6 | 83.3% | 15.2% | 6 | 66.7% | 19.2% | 53 | 66.7% | 8.0% | 222 | 49.6% | 4.3% |
| 13-28 | 123 | 93.5% | 2.2% | 123 | 91.1% | 2.6% | 456 | 67.6% | 3.2% | 985 | 45.2% | 3.0% | |
| 29-47 | 293 | 95.9% | 1.2% | 293 | 89.4% | 1.8% | 795 | 69.8% | 2.4% | 1,494 | 48.8% | 2.1% | |
| 48-81 | 601 | 97.3% | 0.7% | 601 | 90.8% | 1.2% | 1,646 | 69.3% | 1.6% | 2,956 | 47.0% | 1.5% | |
| 82+ | 2,195 | 96.4% | 0.4% | 2,195 | 91.2% | 0.6% | 5,258 | 69.8% | 0.9% | 7,772 | 46.2% | 1.0% | |