| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 2023/12 | 26,421 | -31.4% |
| 2022/12 | 38,513 | +3.3% |
| 2021/12 | 37,274 | -1.8% |
| 2020/12 | 37,969 | -1.6% |
| 2019/12 | 38,582 | -17.3% |
| 2018/12 | 46,640 | +1335.1% |
| 2017/12 | 3,250 | -43.8% |
| 2016/12 | 5,778 | -40.0% |
| 2015/12 | 9,625 | +315.6% |
| 2014/12 | 2,316 | -138.5% |
| 2013/12 | -6,021 | -22.1% |
| 2012/12 | -7,731 | +378.4% |
| 2011/12 | -1,616 | - |