| United States Treasury Notes 1.875%
| - | 3.60% | - | - | 637,724 |
| United States Treasury Notes 2.125%
| - | 3.41% | - | - | 591,095 |
| United States Treasury Notes 1.875%
| - | 3.23% | - | - | 568,555 |
| United States Treasury Notes 1.75%
| - | 3.06% | - | - | 544,367 |
| United States Treasury Notes 0.125%
| - | 3.06% | - | - | 596,605 |
| United States Treasury Notes 1.625%
| - | 3.04% | - | - | 536,912 |
| United States Treasury Notes 1.125%
| - | 2.96% | - | - | 546,455 |
| United States Treasury Notes 0.125%
| - | 2.95% | - | - | 567,242 |
| United States Treasury Notes 0.625%
| - | 2.89% | - | - | 546,794 |
| United States Treasury Notes 0.375%
| - | 2.86% | - | - | 516,173 |