| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 2024/12 | 370,607 | +130.7% |
| 2023/12 | 160,644 | +420.0% |
| 2022/12 | 30,893 | - |
| 2020/12 | 493,066 | -20.3% |
| 2019/12 | 618,463 | -9.7% |
| 2018/12 | 685,156 | -7.8% |
| 2017/12 | 743,373 | -6.3% |
| 2016/12 | 793,072 | +545.6% |
| 2015/12 | 122,849 | -20.9% |
| 2014/12 | 155,333 | -19.0% |
| 2013/12 | 191,684 | +19.1% |
| 2012/12 | 160,891 | -2.3% |
| 2011/12 | 164,701 | - |