| 年份 | 债务资本比例 | 权益资本比例 | 产权比率 |
| 2014 | 88.35% | 11.65% | 758.21% |
| 2015 | 82.73% | 17.27% | 478.97% |
| 2016 | 44.76% | 55.24% | 81.04% |
| 2017 | 46.70% | 53.30% | 87.61% |
| 2018 | 52.36% | 47.64% | 109.90% |
| 2019 | 58.37% | 41.63% | 140.24% |
| 2020 | 55.82% | 44.18% | 126.34% |
| 2021 | 69.90% | 30.10% | 232.17% |
| 2022 | 70.56% | 29.44% | 239.70% |