| United States Treasury Bonds 4.75%
| - | 5.12% | - | - | 306,300,000 |
| United States Treasury Bonds 4.625%
| - | 5.01% | - | - | 305,900,000 |
| United States Treasury Bonds 4.5%
| - | 4.97% | - | - | 309,500,000 |
| United States Treasury Bonds 4.625%
| - | 4.87% | - | - | 297,500,000 |
| United States Treasury Bonds 4.25%
| - | 4.76% | - | - | 309,300,000 |
| United States Treasury Bonds 4.75%
| - | 4.71% | - | - | 282,150,000 |
| United States Treasury Bonds 4.25%
| - | 4.51% | - | - | 293,000,000 |
| United States Treasury Bonds 4.75%
| - | 4.24% | - | - | 253,600,000 |
| United States Treasury Bonds 4.125%
| - | 3.78% | - | - | 250,550,000 |
| United States Treasury Bonds 4%
| - | 3.15% | - | - | 213,500,000 |