| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 2024/12 | 225,304 | -16.0% |
| 2023/12 | 268,234 | +10.5% |
| 2022/12 | 242,735 | -12.2% |
| 2021/12 | 276,310 | -6.2% |
| 2020/12 | 294,639 | -12.6% |
| 2019/12 | 337,263 | -12.9% |
| 2018/12 | 387,201 | +17.2% |
| 2017/12 | 330,496 | -8.4% |
| 2016/12 | 360,650 | +22.4% |
| 2015/12 | 294,679 | +97.4% |
| 2014/12 | 149,264 | -19.0% |
| 2013/12 | 184,325 | -5.0% |
| 2012/12 | 193,940 | -5.6% |
| 2011/12 | 205,411 | - |