| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 2024/12 | 302,700 | -13.6% |
| 2023/12 | 350,200 | -20.8% |
| 2022/12 | 442,200 | -19.6% |
| 2021/12 | 549,800 | -12.5% |
| 2020/12 | 628,500 | -8.4% |
| 2019/12 | 685,800 | -1.0% |
| 2018/12 | 692,700 | -6.8% |
| 2017/12 | 743,500 | +3.2% |
| 2016/12 | 720,100 | -17.7% |
| 2015/12 | 875,400 | +77.0% |
| 2014/12 | 494,500 | +19.3% |
| 2013/12 | 414,500 | -14.4% |
| 2012/12 | 484,200 | -19.2% |
| 2011/12 | 598,900 | - |