| United States Treasury Notes 3.5%
| - | 2.04% | - | - | 245,747,000 |
| United States Treasury Notes 3.75%
| - | 1.64% | - | - | 196,013,000 |
| United States Treasury Notes 3.625%
| - | 1.48% | - | - | 175,636,000 |
| United States Treasury Notes 3.875%
| - | 1.47% | - | - | 175,455,000 |
| United States Treasury Notes 3.75%
| - | 1.46% | - | - | 174,981,000 |
| United States Treasury Notes 3.875%
| - | 1.45% | - | - | 174,171,000 |
| United States Treasury Notes 3.375%
| - | 1.43% | - | - | 172,790,000 |
| United States Treasury Notes 3.5%
| - | 1.42% | - | - | 169,720,000 |
| United States Treasury Notes 4.5%
| - | 1.38% | - | - | 162,345,000 |
| United States Treasury Notes 4%
| - | 1.37% | - | - | 162,760,000 |