| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 2024/12 | 703,695 | -1.8% |
| 2023/12 | 716,835 | +30.4% |
| 2022/12 | 549,696 | +34.0% |
| 2021/12 | 410,120 | +88.1% |
| 2020/12 | 218,088 | -35.7% |
| 2019/12 | 339,379 | -43.6% |
| 2018/12 | 601,667 | +35.4% |
| 2017/12 | 444,220 | +56.3% |
| 2016/12 | 284,257 | +21.4% |
| 2015/12 | 234,140 | +11.3% |
| 2014/12 | 210,329 | +45.8% |
| 2013/12 | 144,230 | +100.7% |
| 2012/12 | 71,862 | +109.8% |
| 2011/12 | 34,251 | - |