| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 2024/6 | -41,454 | -136.1% |
| 2023/6 | 114,743 | +17.9% |
| 2022/6 | 97,344 | +21.0% |
| 2021/6 | 80,456 | -33.8% |
| 2020/6 | 121,529 | -7.4% |
| 2019/6 | 131,281 | -753.1% |
| 2018/6 | -20,101 | -60.3% |
| 2017/6 | -50,665 | -9.5% |
| 2016/6 | -55,971 | -51.6% |
| 2015/6 | -115,680 | -38.9% |
| 2014/6 | -189,422 | +32.7% |
| 2013/6 | -142,735 | +501.1% |
| 2012/6 | -23,744 | -1511.7% |
| 2011/6 | 1,682 | - |