| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 2024/12 | 197,844 | +9.8% |
| 2023/12 | 180,199 | -5.8% |
| 2022/12 | 191,220 | +35.1% |
| 2021/12 | 141,488 | -21.6% |
| 2020/12 | 180,560 | -10.3% |
| 2019/12 | 201,299 | -24.7% |
| 2018/12 | 267,430 | +4.8% |
| 2017/12 | 255,122 | -8.4% |
| 2016/12 | 278,497 | -20.2% |
| 2015/12 | 348,851 | -18.4% |
| 2014/12 | 427,253 | +61.3% |
| 2013/12 | 264,932 | +186.3% |
| 2012/12 | 92,525 | - |