年度 加权ROE 净利润现金含量 毛利率 资产负债率 分红比例2021 26.69% 1.27 84.79% 24.80% 72%2022 24.25% 1.20 81.42% 27.98% 75%2023 20.92% 1.18 79.50% 33.04% 78%2024 20.69% 1.12 78.63% 33.53% 82%2025 21.43% 1.22 75.86% 38.74% 78%