| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 2024/12 | 403,800 | +45.8% |
| 2023/12 | 277,000 | -39.3% |
| 2022/12 | 456,300 | -28.5% |
| 2021/12 | 638,500 | +143.9% |
| 2020/12 | 261,800 | -48.5% |
| 2019/12 | 508,100 | +51.5% |
| 2018/12 | 335,300 | -21.9% |
| 2017/12 | 429,200 | +36.9% |
| 2016/12 | 313,500 | +24.0% |
| 2015/12 | 252,900 | +99.3% |
| 2014/12 | 126,900 | +26.0% |
| 2013/12 | 100,700 | -23.4% |
| 2012/12 | 131,400 | +10.0% |
| 2011/12 | 119,500 | - |