| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 2024/12 | 406,783 | -4.1% |
| 2023/12 | 424,046 | -22.2% |
| 2022/12 | 545,077 | +31.9% |
| 2021/12 | 413,351 | +38.1% |
| 2020/12 | 299,373 | +89.7% |
| 2019/12 | 157,779 | -16.4% |
| 2018/12 | 188,730 | +3.7% |
| 2017/12 | 181,984 | -28.2% |
| 2016/12 | 253,347 | -16.6% |
| 2015/12 | 303,785 | -10.1% |
| 2014/12 | 337,930 | +988.4% |
| 2013/12 | 31,047 | -65.6% |
| 2012/12 | 90,275 | -35.9% |
| 2011/12 | 140,903 | - |