| 年份 | 债务资本比例 | 权益资本比例 | 产权比率 |
| 2014 | 29.45% | 70.55% | 41.74% |
| 2015 | 39.68% | 60.32% | 65.78% |
| 2016 | 28.70% | 71.30% | 40.25% |
| 2017 | 52.26% | 47.72% | 109.50% |
| 2018 | 57.14% | 42.86% | 133.34% |
| 2019 | 63.10% | 36.90% | 170.99% |
| 2020 | 52.67% | 47.33% | 111.29% |
| 2021 | 35.13% | 64.87% | 54.16% |
| 2022 | 54.22% | 45.78% | 118.43% |