| United States Treasury Notes 3.5%
| - | 2.04% | - | - | 245,777,000 |
| United States Treasury Notes 3.75%
| - | 1.64% | - | - | 196,013,000 |
| United States Treasury Notes 3.625%
| - | 1.48% | - | - | 175,653,000 |
| United States Treasury Notes 3.875%
| - | 1.47% | - | - | 175,471,000 |
| United States Treasury Notes 3.75%
| - | 1.46% | - | - | 174,999,000 |
| United States Treasury Notes 3.875%
| - | 1.45% | - | - | 174,190,000 |
| United States Treasury Notes 3.375%
| - | 1.43% | - | - | 172,812,000 |
| United States Treasury Notes 3.5%
| - | 1.42% | - | - | 169,748,000 |
| United States Treasury Notes 4.5%
| - | 1.38% | - | - | 162,345,000 |
| United States Treasury Notes 4%
| - | 1.37% | - | - | 162,760,000 |