| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 2024/12 | 334,696 | +7.3% |
| 2023/12 | 311,851 | +12.1% |
| 2022/12 | 278,166 | +31.2% |
| 2021/12 | 211,999 | +55.8% |
| 2020/12 | 136,102 | -31.0% |
| 2019/12 | 197,249 | -25.2% |
| 2018/12 | 263,878 | -19.1% |
| 2017/12 | 326,099 | +18.6% |
| 2016/12 | 275,038 | +10.5% |
| 2015/12 | 248,939 | +149.6% |
| 2014/12 | 99,730 | -9.8% |
| 2013/12 | 110,619 | -33.9% |
| 2012/12 | 167,338 | -11.2% |
| 2011/12 | 188,420 | -24.9% |
| 2010/12 | 250,729 | - |