| United States Treasury Notes 4%
| - | 2.19% | - | - | 235,625,000 |
| United States Treasury Notes 4.125%
| - | 2.05% | - | - | 223,420,000 |
| United States Treasury Notes 1.25%
| - | 2.05% | - | - | 255,788,000 |
| United States Treasury Notes 3.375%
| - | 2.02% | - | - | 231,020,000 |
| United States Treasury Notes 1.375%
| - | 2.00% | - | - | 250,174,000 |
| United States Treasury Notes 3.5%
| - | 1.98% | - | - | 221,345,000 |
| United States Treasury Notes 0.875%
| - | 1.97% | - | - | 245,425,000 |
| United States Treasury Notes 2.875%
| - | 1.96% | - | - | 228,505,000 |
| United States Treasury Notes 1.875%
| - | 1.93% | - | - | 235,302,000 |
| United States Treasury Notes 1.125%
| - | 1.92% | - | - | 237,420,000 |