| United States Treasury Notes 3.5%
| - | 2.13% | - | - | 256,397,000 |
| United States Treasury Notes 3.375%
| - | 1.48% | - | - | 177,798,000 |
| United States Treasury Notes 3.875%
| - | 1.48% | - | - | 175,621,000 |
| United States Treasury Notes 3.75%
| - | 1.47% | - | - | 174,965,000 |
| United States Treasury Notes 3.875%
| - | 1.44% | - | - | 171,912,000 |
| United States Treasury Notes 3.5%
| - | 1.44% | - | - | 170,840,000 |
| United States Treasury Notes 3.625%
| - | 1.42% | - | - | 171,382,000 |
| United States Treasury Notes 3.375%
| - | 1.41% | - | - | 169,770,000 |
| United States Treasury Notes 4.25%
| - | 1.38% | - | - | 163,451,000 |
| United States Treasury Notes 3.875%
| - | 1.32% | - | - | 156,014,000 |