| United States Treasury Notes 3.875%
| - | 1.79% | - | - | 207,911,000 |
| United States Treasury Notes 4.125%
| - | 1.53% | - | - | 176,672,000 |
| United States Treasury Notes 3.625%
| - | 1.51% | - | - | 175,582,000 |
| United States Treasury Notes 3.75%
| - | 1.51% | - | - | 173,891,000 |
| United States Treasury Notes 3.75%
| - | 1.50% | - | - | 175,338,000 |
| United States Treasury Notes 3.875%
| - | 1.49% | - | - | 174,275,000 |
| United States Treasury Notes 3.875%
| - | 1.49% | - | - | 171,247,000 |
| United States Treasury Notes 1.5%
| - | 1.39% | - | - | 165,923,000 |
| United States Treasury Notes 3.5%
| - | 1.37% | - | - | 160,116,000 |
| United States Treasury Notes 1.5%
| - | 1.37% | - | - | 170,769,000 |