| （単位：千ドル） | 有利子負債合計 | 前年比（％） |
|---|---|---|
| 2024/12 | 435,000 | -7.9% |
| 2023/12 | 472,500 | +15.0% |
| 2022/12 | 411,000 | +120.6% |
| 2021/12 | 186,322 | -24.3% |
| 2020/12 | 246,002 | -27.1% |
| 2019/12 | 337,472 | -6.8% |
| 2018/12 | 362,027 | -14.6% |
| 2017/12 | 423,797 | +11.8% |
| 2016/12 | 379,212 | +3.7% |
| 2015/12 | 365,712 | +6.0% |
| 2014/12 | 345,000 | +21.1% |
| 2013/12 | 285,000 | +96.6% |
| 2012/12 | 145,000 | -30.1% |
| 2011/12 | 207,500 | - |