| （単位：千ドル） | 有利子負債合計 | 前年比（％） |
|---|---|---|
| 2024/12 | 269,704 | -10.6% |
| 2023/12 | 301,595 | -1.5% |
| 2022/12 | 306,037 | -4.6% |
| 2021/12 | 320,958 | -10.0% |
| 2020/12 | 356,709 | -10.6% |
| 2019/12 | 398,901 | -8.6% |
| 2018/12 | 436,528 | +12.3% |
| 2017/12 | 388,855 | -12.2% |
| 2016/12 | 442,820 | +36.4% |
| 2015/12 | 324,568 | +29.8% |
| 2014/12 | 250,000 | 0.0% |
| 2013/12 | 250,000 | 0.0% |
| 2012/12 | 250,000 | +8.7% |
| 2011/12 | 230,000 | - |