| United States Treasury Bonds 4.625%
| - | 5.92% | - | - | 434,500,000 |
| United States Treasury Bonds 4.5%
| - | 5.68% | - | - | 425,700,000 |
| United States Treasury Bonds 4.25%
| - | 5.49% | - | - | 429,000,000 |
| United States Treasury Bonds 4.25%
| - | 4.86% | - | - | 379,300,000 |
| United States Treasury Bonds 4.75%
| - | 4.85% | - | - | 348,300,000 |
| United States Treasury Bonds 4.625%
| - | 4.73% | - | - | 346,900,000 |
| United States Treasury Bonds 4.75%
| - | 4.13% | - | - | 297,150,000 |
| United States Treasury Bonds 4.125%
| - | 3.46% | - | - | 275,550,000 |
| United States Treasury Bonds 4.75%
| - | 3.39% | - | - | 243,600,000 |
| United States Treasury Bonds 3.625%
| - | 3.31% | - | - | 289,150,000 |