| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 2024/12 | 613,721 | +9.3% |
| 2023/12 | 561,482 | +27.5% |
| 2022/12 | 440,550 | +8.2% |
| 2021/12 | 407,213 | +0.9% |
| 2020/12 | 403,611 | +44.1% |
| 2019/12 | 280,006 | -10.9% |
| 2018/12 | 314,266 | -2.1% |
| 2017/12 | 321,149 | +0.1% |
| 2016/12 | 320,875 | +1.3% |
| 2015/12 | 316,848 | +26.7% |
| 2014/12 | 250,102 | -15.0% |
| 2013/12 | 294,151 | -5.8% |
| 2012/12 | 312,305 | -8.0% |
| 2011/12 | 339,371 | - |