| United States Treasury Bonds 4.75%
| - | 4.15% | - | - | 243,980,000 |
| United States Treasury Bonds 4.625%
| - | 4.11% | - | - | 244,018,000 |
| United States Treasury Bonds 4.625%
| - | 4.06% | - | - | 244,031,000 |
| United States Treasury Bonds 4.75%
| - | 4.02% | - | - | 233,774,000 |
| United States Treasury Bonds 4.75%
| - | 4.02% | - | - | 233,004,000 |
| United States Treasury Bonds 4.625%
| - | 4.01% | - | - | 240,547,000 |
| United States Treasury Bonds 4.5%
| - | 3.98% | - | - | 244,045,000 |
| United States Treasury Bonds 4.75%
| - | 3.97% | - | - | 233,950,000 |
| United States Treasury Bonds 4.25%
| - | 3.87% | - | - | 244,052,000 |
| United States Treasury Bonds 4.25%
| - | 3.86% | - | - | 244,004,000 |