| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 2024/12 | 114,561 | +4.1% |
| 2023/12 | 110,013 | -29.4% |
| 2022/12 | 155,931 | -18.4% |
| 2021/12 | 191,090 | +0.8% |
| 2020/12 | 189,496 | -0.6% |
| 2019/12 | 190,724 | -12.1% |
| 2018/12 | 216,893 | -24.1% |
| 2017/12 | 285,581 | +1.9% |
| 2016/12 | 280,144 | +16.4% |
| 2015/5 | 240,688 | +2.9% |
| 2014/5 | 233,807 | +0.5% |
| 2013/5 | 232,615 | +17.4% |
| 2012/5 | 198,174 | - |