| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 2023/12 | 521,945 | -2.8% |
| 2022/12 | 536,907 | +1004.3% |
| 2021/12 | 48,621 | -1.4% |
| 2020/12 | 49,312 | -117.0% |
| 2019/12 | -289,918 | -209.0% |
| 2018/12 | 265,920 | -26.6% |
| 2017/12 | 362,247 | -3.4% |
| 2016/12 | 374,941 | -11.3% |
| 2015/12 | 422,765 | +57.3% |
| 2014/12 | 268,821 | +1.7% |
| 2013/12 | 264,271 | +8.8% |
| 2012/12 | 242,992 | +28.9% |
| 2011/12 | 188,537 | - |