| 年份 | 短期贷款比例 | 1年期银行贷款利率 | 中长期贷款比例 | 5年期银行贷款利率 | 债务资本成本 |
| 2014 | 100.00% | 5.60% | 0.00% | 6% | 5.60% |
| 2015 | 100.00% | 4.35% | 0.00% | 4.75% | 4.35% |
| 2016 | 82.94% | 4.35% | 17.06% | 4.75% | 4.42% |
| 2017 | 55.07% | 4.35% | 44.93% | 4.75% | 4.53% |
| 2018 | 37.66% | 4.35% | 62.34% | 4.75% | 4.60% |
| 2019 | 33.05% | 4.35% | 66.95% | 4.75% | 4.62% |
| 2020 | 27.31% | 4.35% | 72.69% | 4.75% | 4.64% |
| 2021 | 29.21% | 4.35% | 70.79% | 4.75% | 4.63% |
| 2022 | 21.66% | 4.35% | 78.34% | 4.75% | 4.66% |