| Recipient Residency | Year | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | |
| Total | 248 | 251 | 247 | 238 | 231 | 238 | 243 | 250 | 244 |
| U.S. Resident | 245 | 248 | 243 | 234 | 227 | 234 | 239 | 246 | 241 |
| Unknown | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 3 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| U.S. Resident | 98.8% | 98.8% | 98.4% | 98.3% | 98.3% | 98.3% | 98.4% | 98.4% | 98.8% |
| Unknown | 1.2% | 1.2% | 1.6% | 1.7% | 1.7% | 1.7% | 1.6% | 1.6% | 1.2% |