| United States Treasury Notes 3.5%
| - | 2.26% | - | - | 279,987,000 |
| United States Treasury Notes 3.75%
| - | 1.53% | - | - | 187,660,000 |
| United States Treasury Notes 4.5%
| - | 1.43% | - | - | 175,330,000 |
| United States Treasury Notes 4.625%
| - | 1.43% | - | - | 174,095,000 |
| United States Treasury Notes 3.875%
| - | 1.42% | - | - | 173,851,000 |
| United States Treasury Notes 3.5%
| - | 1.39% | - | - | 172,631,000 |
| United States Treasury Notes 3.375%
| - | 1.39% | - | - | 171,385,000 |
| United States Treasury Notes 3.5%
| - | 1.38% | - | - | 171,908,000 |
| United States Treasury Notes 3.75%
| - | 1.37% | - | - | 169,960,000 |
| United States Treasury Notes 3.375%
| - | 1.37% | - | - | 170,858,000 |