| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 2024/12 | 203,248 | -28.3% |
| 2023/12 | 283,465 | +92.5% |
| 2022/12 | 147,224 | +206.9% |
| 2021/12 | 47,964 | -69.4% |
| 2020/12 | 156,693 | - |
| 2018/12 | 327,176 | -1.5% |
| 2017/12 | 332,192 | +9.7% |
| 2016/12 | 302,842 | +278.6% |
| 2015/12 | 79,983 | -13.4% |
| 2014/12 | 92,309 | +13.7% |
| 2013/12 | 81,209 | -36.8% |
| 2012/12 | 128,435 | -49.7% |
| 2011/12 | 255,479 | - |