| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 2024/12 | 191,187 | +25.1% |
| 2023/12 | 152,778 | -39.0% |
| 2022/12 | 250,519 | -12.9% |
| 2021/12 | 287,649 | -59.7% |
| 2020/12 | 714,003 | -8.8% |
| 2019/12 | 782,578 | -12.5% |
| 2018/12 | 894,295 | +610.2% |
| 2017/12 | 125,925 | -26.3% |
| 2016/12 | 170,958 | -28.5% |
| 2015/12 | 239,147 | +13.0% |
| 2014/12 | 211,598 | -16.7% |
| 2013/12 | 253,945 | -9.7% |
| 2012/12 | 281,089 | -12.0% |
| 2011/12 | 319,416 | -27.6% |
| 2010/12 | 441,464 | - |