| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 2024/12 | 150,241 | -4.3% |
| 2023/12 | 156,920 | +4.5% |
| 2022/12 | 150,222 | +12.7% |
| 2021/12 | 133,243 | +0.5% |
| 2020/12 | 132,588 | -15.2% |
| 2019/12 | 156,318 | -28.1% |
| 2018/12 | 217,360 | -14.4% |
| 2017/12 | 253,853 | +94.9% |
| 2016/12 | 130,219 | -13.9% |
| 2015/12 | 151,228 | -6.5% |
| 2014/12 | 161,811 | +11.1% |
| 2013/12 | 145,685 | +544.5% |
| 2012/12 | 22,603 | +1.2% |
| 2011/12 | 22,344 | - |