| United States Treasury Notes 3.5%
| - | 0.51% | - | - | 16,151,000 |
| United States Treasury Notes 4.125%
| - | 0.47% | - | - | 15,075,000 |
| United States Treasury Notes 4.25%
| - | 0.47% | - | - | 14,840,000 |
| United States Treasury Notes 4.625%
| - | 0.47% | - | - | 14,396,000 |
| United States Treasury Notes 4.5%
| - | 0.47% | - | - | 14,555,000 |
| United States Treasury Notes 4.25%
| - | 0.47% | - | - | 14,866,000 |
| United States Treasury Notes 4.25%
| - | 0.46% | - | - | 14,813,000 |
| United States Treasury Notes 4%
| - | 0.46% | - | - | 14,843,000 |
| United States Treasury Notes 4.375%
| - | 0.46% | - | - | 14,362,000 |
| United States Treasury Notes 3.875%
| - | 0.45% | - | - | 14,696,000 |