| Recipient Residency | Year | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | |
| Total | 16,618 | 18,715 | 21,041 | 23,393 | 25,747 | 28,014 | 30,235 | 32,592 | 33,629 |
| U.S. Resident | 16,253 | 18,370 | 20,695 | 23,065 | 25,451 | 27,741 | 29,989 | 32,372 | 33,441 |
| Unknown | 365 | 345 | 346 | 328 | 296 | 273 | 246 | 220 | 188 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| U.S. Resident | 97.8% | 98.2% | 98.4% | 98.6% | 98.9% | 99.0% | 99.2% | 99.3% | 99.4% |
| Unknown | 2.2% | 1.8% | 1.6% | 1.4% | 1.1% | 1.0% | 0.8% | 0.7% | 0.6% |