| （単位：千ドル） | 有利子負債合計 | 前年比（％） |
|---|---|---|
| 2023/12 | 547,308 | +0.1% |
| 2022/12 | 546,800 | -10.5% |
| 2021/12 | 610,642 | -4.0% |
| 2020/12 | 636,182 | +0.6% |
| 2019/12 | 632,406 | +0.5% |
| 2018/12 | 628,989 | +0.5% |
| 2017/12 | 625,904 | +0.4% |
| 2016/12 | 623,107 | +399.4% |
| 2015/12 | 124,773 | -0.2% |
| 2014/12 | 125,000 | 0.0% |
| 2013/12 | 125,000 | 0.0% |
| 2012/12 | 125,000 | 0.0% |
| 2011/12 | 125,000 | - |