| Recipient Residency | Year | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | |
| Total | 55,832 | 60,404 | 64,681 | 69,129 | 74,150 | 79,376 | 84,754 | 89,543 | 91,441 |
| U.S. Resident | 54,568 | 59,273 | 63,626 | 68,196 | 73,318 | 78,639 | 84,102 | 88,957 | 90,950 |
| Unknown | 1,264 | 1,131 | 1,055 | 933 | 832 | 737 | 652 | 586 | 491 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| U.S. Resident | 97.7% | 98.1% | 98.4% | 98.7% | 98.9% | 99.1% | 99.2% | 99.3% | 99.5% |
| Unknown | 2.3% | 1.9% | 1.6% | 1.3% | 1.1% | 0.9% | 0.8% | 0.7% | 0.5% |