| United States Treasury Bonds 4.625%
| - | 4.86% | - | - | 287,420,000 |
| United States Treasury Bonds 4.75%
| - | 4.85% | - | - | 284,040,000 |
| United States Treasury Bonds 4.625%
| - | 4.80% | - | - | 287,060,000 |
| United States Treasury Bonds 4.5%
| - | 4.70% | - | - | 287,080,000 |
| United States Treasury Bonds 4.75%
| - | 4.68% | - | - | 274,570,000 |
| United States Treasury Bonds 4.25%
| - | 4.61% | - | - | 290,280,000 |
| United States Treasury Bonds 4.25%
| - | 4.61% | - | - | 290,340,000 |
| United States Treasury Bonds 4.125%
| - | 4.12% | - | - | 264,860,000 |
| United States Treasury Bonds 4%
| - | 3.57% | - | - | 236,970,000 |
| United States Treasury Bonds 3.625%
| - | 3.38% | - | - | 237,990,000 |