| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 2024/9 | 178,934 | -19.3% |
| 2023/9 | 221,618 | -27.3% |
| 2022/9 | 304,709 | -40.7% |
| 2021/9 | 514,200 | -14.1% |
| 2020/9 | 598,600 | -26.1% |
| 2019/9 | 810,112 | -5.3% |
| 2018/9 | 855,050 | +0.1% |
| 2017/9 | 853,958 | -1.9% |
| 2016/9 | 870,794 | -0.9% |
| 2015/9 | 878,548 | -5.4% |
| 2014/9 | 928,646 | +3.7% |
| 2013/9 | 895,626 | +7.8% |
| 2012/9 | 830,485 | -1.4% |
| 2011/9 | 842,698 | - |