| United States Treasury Notes 3.5%
| - | 2.08% | - | - | 253,037,000 |
| United States Treasury Notes 3.375%
| - | 1.52% | - | - | 183,518,000 |
| United States Treasury Notes 3.875%
| - | 1.47% | - | - | 176,902,000 |
| United States Treasury Notes 3.75%
| - | 1.46% | - | - | 176,022,000 |
| United States Treasury Notes 3.875%
| - | 1.45% | - | - | 175,224,000 |
| United States Treasury Notes 3.5%
| - | 1.45% | - | - | 173,926,000 |
| United States Treasury Notes 3.625%
| - | 1.44% | - | - | 175,290,000 |
| United States Treasury Notes 3.375%
| - | 1.43% | - | - | 173,469,000 |
| United States Treasury Notes 4.25%
| - | 1.42% | - | - | 169,364,000 |
| United States Treasury Notes 3.875%
| - | 1.36% | - | - | 162,420,000 |