| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 2025/6 | 379,900 | -23.3% |
| 2024/6 | 495,100 | -23.7% |
| 2023/6 | 648,500 | +20.6% |
| 2022/6 | 537,600 | +32.1% |
| 2021/6 | 407,100 | +13.5% |
| 2020/6 | 358,700 | -31.5% |
| 2019/6 | 523,600 | +7.0% |
| 2018/6 | 489,500 | -9.1% |
| 2017/6 | 538,700 | +1.8% |
| 2016/6 | 529,300 | -0.8% |
| 2015/6 | 533,800 | +10.2% |
| 2014/6 | 484,300 | +39.7% |
| 2013/6 | 346,700 | +77.0% |
| 2012/6 | 195,900 | -528.7% |
| 2011/6 | -45,700 | - |