| United States Treasury Notes 3.5%
| - | 2.24% | - | - | 269,217,000 |
| United States Treasury Notes 4.625%
| - | 1.48% | - | - | 174,940,000 |
| United States Treasury Notes 3.75%
| - | 1.45% | - | - | 172,043,000 |
| United States Treasury Notes 3.375%
| - | 1.42% | - | - | 170,691,000 |
| United States Treasury Notes 3.5%
| - | 1.42% | - | - | 171,299,000 |
| United States Treasury Notes 3.875%
| - | 1.42% | - | - | 168,609,000 |
| United States Treasury Notes 3.375%
| - | 1.42% | - | - | 169,254,000 |
| United States Treasury Notes 3.75%
| - | 1.42% | - | - | 170,902,000 |
| United States Treasury Notes 3.625%
| - | 1.39% | - | - | 166,722,000 |
| United States Treasury Notes 3.5%
| - | 1.39% | - | - | 167,506,000 |