| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 2024/9 | 56,000 | -6.8% |
| 2023/9 | 60,100 | +8.7% |
| 2022/9 | 55,276 | -43.5% |
| 2021/9 | 97,768 | +1221.2% |
| 2020/9 | 7,400 | -96.7% |
| 2019/9 | 224,492 | +18.5% |
| 2018/9 | 189,523 | -17.4% |
| 2017/9 | 229,484 | +308.5% |
| 2016/9 | 56,175 | +430.5% |
| 2015/9 | 10,589 | +117.5% |
| 2014/9 | 4,869 | -96.2% |
| 2013/9 | 129,150 | +52.3% |
| 2012/9 | 84,785 | -6.7% |
| 2011/9 | 90,842 | -28.7% |
| 2010/9 | 127,492 | - |