| 年份 | 债务资本比例 | 权益资本比例 | 产权比率 |
| 2014 | 15.20% | 84.80% | 17.93% |
| 2015 | 11.91% | 88.09% | 13.52% |
| 2016 | 16.02% | 84.09% | 19.05% |
| 2017 | 24.90% | 75.10% | 33.16% |
| 2018 | 35.41% | 64.59% | 54.82% |
| 2019 | 30.26% | 69.78% | 43.37% |
| 2020 | 24.87% | 75.13% | 33.11% |
| 2021 | 61.39% | 38.61% | 159.03% |
| 2022 | 53.82% | 46.18% | 116.53% |