年份 | 2022 | 2023 | 2024 | 2025 | 2026 | 2027 | 2028 | 2029 | 2030 | 2031 |
预测值 | 8.290 | 7.956 | 7.627 | 7.302 | 6.983 | 6.668 | 6.358 | 6.052 | 5.751 | 5.455 |