| （単位：千ドル） | 有利子負債合計 | 前年比（％） |
|---|---|---|
| 2025/6 | 695,400 | +0.2% |
| 2024/6 | 694,200 | +0.2% |
| 2023/6 | 693,000 | +0.2% |
| 2022/6 | 691,800 | -0.4% |
| 2021/6 | 694,500 | +25.9% |
| 2020/6 | 551,800 | +0.2% |
| 2019/6 | 550,600 | +0.9% |
| 2018/6 | 545,700 | -9.8% |
| 2017/6 | 605,000 | -1.0% |
| 2016/6 | 611,300 | +1.2% |
| 2015/6 | 603,800 | -0.1% |
| 2014/6 | 604,300 | 0.0% |
| 2013/6 | 604,200 | +48.5% |
| 2012/6 | 406,900 | -19.9% |
| 2011/6 | 507,800 | - |