| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 2024/9 | 139,600 | -51.4% |
| 2023/9 | 287,100 | -4.4% |
| 2022/9 | 300,400 | +36.9% |
| 2021/9 | 219,400 | -8.1% |
| 2020/9 | 238,700 | -11.5% |
| 2019/9 | 269,600 | +175.4% |
| 2018/9 | 97,900 | -17.7% |
| 2017/9 | 118,900 | -58.9% |
| 2016/9 | 289,400 | -23.0% |
| 2015/9 | 375,900 | -1.1% |
| 2014/9 | 379,900 | -20.4% |
| 2013/9 | 477,200 | -11.6% |
| 2012/9 | 539,800 | -12.5% |
| 2011/9 | 617,100 | - |