| （単位：千ドル） | 有利子負債合計 | 前年比（％） |
|---|---|---|
| 2025/5 | 302,868 | +1.6% |
| 2024/5 | 298,133 | -56.8% |
| 2023/5 | 689,982 | -1.0% |
| 2022/5 | 696,610 | -2.0% |
| 2021/5 | 710,489 | +1.5% |
| 2020/5 | 699,665 | -6.6% |
| 2019/5 | 749,299 | -0.1% |
| 2018/5 | 750,368 | +29.7% |
| 2017/5 | 578,487 | 0.0% |
| 2016/5 | 578,353 | -0.3% |
| 2015/5 | 580,193 | -11.6% |
| 2014/5 | 655,963 | +61.0% |
| 2013/5 | 407,328 | +57.4% |
| 2012/5 | 258,791 | +3.4% |
| 2011/5 | 250,254 | - |