| United States Treasury Notes 3.5%
| - | 2.27% | - | - | 284,277,000 |
| United States Treasury Notes 3.75%
| - | 1.52% | - | - | 187,616,000 |
| United States Treasury Notes 4.5%
| - | 1.46% | - | - | 180,790,000 |
| United States Treasury Notes 4.625%
| - | 1.45% | - | - | 178,827,000 |
| United States Treasury Notes 3.875%
| - | 1.40% | - | - | 173,209,000 |
| United States Treasury Notes 3.375%
| - | 1.39% | - | - | 173,185,000 |
| United States Treasury Notes 3.625%
| - | 1.38% | - | - | 172,263,000 |
| United States Treasury Notes 3.5%
| - | 1.38% | - | - | 173,097,000 |
| United States Treasury Notes 3.75%
| - | 1.38% | - | - | 173,250,000 |
| United States Treasury Notes 4.125%
| - | 1.38% | - | - | 171,399,000 |