| United States Treasury Notes 4%
| - | 6.39% | - | - | 155,711,000 |
| United States Treasury Bonds 4.625%
| - | 3.77% | - | - | 93,249,000 |
| United States Treasury Notes 4.25%
| - | 3.37% | - | - | 79,179,000 |
| United States Treasury Notes 4.125%
| - | 3.27% | - | - | 77,080,000 |
| United States Treasury Bonds 4.875%
| - | 2.97% | - | - | 70,228,000 |
| United States Treasury Bonds 4.75%
| - | 2.83% | - | - | 68,519,000 |
| United States Treasury Notes 4.125%
| - | 2.41% | - | - | 57,385,000 |
| United States Treasury Notes 4.125%
| - | 2.23% | - | - | 52,660,000 |
| United States Treasury Bonds 4.625%
| - | 1.99% | - | - | 48,546,000 |
| United States Treasury Notes 3.625%
| - | 1.97% | - | - | 47,016,000 |