递增金额
1.0_{2021,20211104,20211231,4.27%}~{2022,20211231,20221231,3.47%}~{2023,20221231,20231231,3.06%}~{2024,20231231,20241231,2.94%}_{近1月,20250701,20250731,1.59%}~{近3月,20250502,20250731,1.91%}~{近6月,20250201,20250731,2.04%}~{近1年,20240731,20250731,2.29%}~{成立以来,20211104,20250731,3.15%}