| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 2024/6 | 42,150 | -37.8% |
| 2023/6 | 67,767 | -70.4% |
| 2022/6 | 229,041 | +16.5% |
| 2021/6 | 196,654 | +2.5% |
| 2020/6 | 191,896 | +18.3% |
| 2019/6 | 162,240 | -2.5% |
| 2018/6 | 166,428 | +123.4% |
| 2017/6 | 74,496 | -178.0% |
| 2016/6 | -95,557 | +163.7% |
| 2015/6 | -36,236 | +41.7% |
| 2014/6 | -25,576 | +15.1% |
| 2013/6 | -22,227 | -75.0% |
| 2012/6 | -88,985 | - |