主要投资
  | 资产 | 类型/描述 | 比例 |  | 
  | U.S. Treasury Bonds 7.50%, 11/15/24 |  | 8.71% |  | 
  | U.S. Treasury Bonds 7.625%, 02/15/25 |  | 6.71% |  | 
  | U.S. Treasury Notes 3.00%, 07/31/24 |  | 6.63% |  | 
  | U.S. Treasury Bonds 7.125%, 02/15/23 |  | 6.29% |  | 
  | U.S. Treasury Inflation Index (TIPS) 0.125%, 07/15/24 - 10/15/26 |  | 3.75% |  | 
  | U.S. Treasury Notes 2.875%, 11/30/23 |  | 3.57% |  | 
  | Canadian Government Bond 3.00%, 10/01/25 |  | 3.49% |  | 
  | Italy Buoni Poliennali Del Tesoro 5.00%, 03/01/25 |  | 3.16% |  | 
  | Japan Govt 20-Yr Bond 1.90%, 12/20/23 |  | 2.12% |  | 
  | Japan Govt 20-Yr Bond 2.10%, 03/20/24 |  | 1.58% |  |