| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 2023/12 | 968,474 | -0.2% |
| 2022/12 | 970,772 | -1.0% |
| 2021/12 | 980,333 | +32.3% |
| 2020/12 | 741,098 | -3.2% |
| 2019/12 | 765,324 | -0.3% |
| 2018/12 | 767,762 | +75.7% |
| 2017/12 | 436,937 | -17.9% |
| 2016/12 | 532,453 | +5.4% |
| 2015/12 | 505,245 | +24.4% |
| 2014/12 | 406,253 | -0.1% |
| 2013/12 | 406,544 | -8.1% |
| 2012/12 | 442,460 | -4.0% |
| 2011/12 | 460,962 | - |