| United States Treasury Bonds 4.625%
| - | 5.75% | - | - | 434,500,000 |
| United States Treasury Bonds 4.5%
| - | 5.52% | - | - | 425,700,000 |
| United States Treasury Bonds 4.25%
| - | 5.34% | - | - | 429,000,000 |
| United States Treasury Bonds 4.625%
| - | 4.99% | - | - | 376,900,000 |
| United States Treasury Bonds 4.25%
| - | 4.88% | - | - | 392,300,000 |
| United States Treasury Bonds 4.75%
| - | 4.80% | - | - | 355,150,000 |
| United States Treasury Bonds 4.75%
| - | 4.71% | - | - | 348,300,000 |
| United States Treasury Bonds 4.125%
| - | 3.48% | - | - | 285,550,000 |
| United States Treasury Bonds 4%
| - | 3.43% | - | - | 287,500,000 |
| United States Treasury Bonds 4.75%
| - | 3.29% | - | - | 243,600,000 |