| United States Treasury Notes 3.5%
| - | 2.11% | - | - | 255,377,000 |
| United States Treasury Notes 3.375%
| - | 1.49% | - | - | 180,100,000 |
| United States Treasury Notes 3.875%
| - | 1.46% | - | - | 175,177,000 |
| United States Treasury Notes 3.75%
| - | 1.45% | - | - | 174,453,000 |
| United States Treasury Notes 3.875%
| - | 1.44% | - | - | 173,788,000 |
| United States Treasury Notes 3.5%
| - | 1.44% | - | - | 172,648,000 |
| United States Treasury Notes 3.625%
| - | 1.43% | - | - | 173,074,000 |
| United States Treasury Notes 3.375%
| - | 1.42% | - | - | 171,510,000 |
| United States Treasury Notes 4.25%
| - | 1.39% | - | - | 165,971,000 |
| United States Treasury Notes 3.875%
| - | 1.35% | - | - | 160,452,000 |