| （単位：百万ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 2025/5 | 1,874 | +62.9% |
| 2024/5 | 1,150 | +145.4% |
| 2023/5 | 468 | +9.3% |
| 2022/5 | 428 | -250.5% |
| 2021/5 | -285 | -272.1% |
| 2020/5 | 165 | -64.8% |
| 2019/5 | 470 | -39.7% |
| 2018/5 | 779 | +10.8% |
| 2017/5 | 703 | +325.8% |
| 2016/5 | 165 | -82.3% |
| 2015/5 | 931 | -60.9% |
| 2014/5 | 2,380 | -1.2% |
| 2013/5 | 2,408 | +38.9% |
| 2012/5 | 1,733 | +29.6% |
| 2011/5 | 1,336 | -3.5% |
| 2010/5 | 1,384 | - |