| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 2022/12 | -264,196 | -44.3% |
| 2021/12 | -474,302 | +107.2% |
| 2020/12 | -228,909 | +303.9% |
| 2019/12 | -56,675 | -142.2% |
| 2018/12 | 134,273 | +9.7% |
| 2017/12 | 122,373 | -51.7% |
| 2016/12 | 253,320 | -25.6% |
| 2015/12 | 340,400 | -42.4% |
| 2014/12 | 591,344 | +52.2% |
| 2013/12 | 388,614 | -26.0% |
| 2012/12 | 525,360 | -16778.1% |
| 2011/12 | -3,150 | -105.2% |
| 2010/12 | 60,664 | - |