| United States Treasury Notes 3.5%
| - | 2.21% | - | - | 263,417,000 |
| United States Treasury Notes 4.625%
| - | 1.55% | - | - | 181,358,000 |
| United States Treasury Notes 3.75%
| - | 1.45% | - | - | 170,650,000 |
| United States Treasury Notes 3.75%
| - | 1.43% | - | - | 171,490,000 |
| United States Treasury Notes 3.875%
| - | 1.43% | - | - | 168,330,000 |
| United States Treasury Notes 3.5%
| - | 1.41% | - | - | 168,465,000 |
| United States Treasury Notes 3.625%
| - | 1.41% | - | - | 167,176,000 |
| United States Treasury Notes 3.375%
| - | 1.40% | - | - | 166,520,000 |
| United States Treasury Notes 4.125%
| - | 1.40% | - | - | 165,190,000 |
| United States Treasury Notes 3.375%
| - | 1.35% | - | - | 160,188,000 |