| 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 | 6% | 5.60% |
| 2015 | 100.00% | 4.35% | 0 | 4.75% | 4.35% |
| 2016 | 96.43% | 4.35% | 3.57% | 4.75% | 4.36% |
| 2017 | 62.94% | 4.35% | 37.06% | 4.75% | 4.50% |
| 2018 | 71.50% | 4.35% | 28.50% | 4.75% | 4.46% |
| 2019 | 82.13% | 4.35% | 17.87% | 4.75% | 4.42% |
| 2020 | 45.22% | 4.35% | 54.78% | 4.75% | 4.57% |
| 2021 | 33.70% | 4.35% | 66.30% | 4.75% | 4.62% |
| 2022 | 7.38% | 4.35% | 92.62% | 4.75% | 4.72% |