| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 2023/12 | -17,394 | +82.5% |
| 2022/12 | -9,533 | -63.1% |
| 2021/12 | -25,827 | -113.1% |
| 2020/12 | 197,312 | -5.4% |
| 2019/12 | 208,559 | -15.9% |
| 2018/12 | 247,875 | -8.4% |
| 2017/12 | 270,746 | -6.9% |
| 2016/12 | 290,946 | +97.5% |
| 2015/12 | 147,291 | -10.1% |
| 2014/12 | 163,905 | +79.9% |
| 2013/12 | 91,130 | +3.8% |
| 2012/12 | 87,830 | +5.2% |
| 2011/12 | 83,505 | - |