| United States Treasury Notes 3.75%
| - | 2.88% | - | - | 711,200,000 |
| United States Treasury Notes 4.25%
| - | 2.30% | - | - | 561,200,000 |
| United States Treasury Notes 3.875%
| - | 1.95% | - | - | 487,160,000 |
| United States Treasury Bonds 4.25%
| - | 1.66% | - | - | 451,440,990 |
| United States Treasury Notes 3.625%
| - | 1.66% | - | - | 409,700,000 |
| United States Treasury Notes 3.875%
| - | 1.55% | - | - | 383,500,000 |
| United States Treasury Notes 4.25%
| - | 1.54% | - | - | 375,247,010 |
| United States Treasury Notes 3.625%
| - | 1.49% | - | - | 367,200,000 |
| United States Treasury Bonds 4.5%
| - | 1.37% | - | - | 355,800,000 |
| United States Treasury Notes 4.25%
| - | 1.31% | - | - | 317,900,000 |