| （単位：千ドル） | 有利子負債合計 | 前年比（％） |
|---|---|---|
| 2024/12 | 411,743 | -4.3% |
| 2023/12 | 430,407 | -22.6% |
| 2022/12 | 556,334 | +32.0% |
| 2021/12 | 421,605 | +34.6% |
| 2020/12 | 313,214 | +90.7% |
| 2019/12 | 164,261 | -18.0% |
| 2018/12 | 200,424 | -2.8% |
| 2017/12 | 206,250 | -20.5% |
| 2016/12 | 259,389 | -16.7% |
| 2015/12 | 311,532 | -11.0% |
| 2014/12 | 350,052 | +775.1% |
| 2013/12 | 40,000 | -61.9% |
| 2012/12 | 105,000 | -27.6% |
| 2011/12 | 145,000 | - |