| （単位：千ドル） | 有利子負債合計 | 前年比（％） |
|---|---|---|
| 2023/12 | 557,128 | -0.7% |
| 2022/12 | 561,061 | +196.2% |
| 2021/12 | 189,421 | +2.2% |
| 2020/12 | 185,401 | +2.1% |
| 2019/12 | 181,622 | -38.1% |
| 2018/12 | 293,631 | -26.4% |
| 2017/12 | 399,151 | -4.1% |
| 2016/12 | 416,146 | -5.3% |
| 2015/12 | 439,227 | +56.2% |
| 2014/12 | 281,232 | +2.4% |
| 2013/12 | 274,655 | +5.8% |
| 2012/12 | 259,585 | +27.5% |
| 2011/12 | 203,522 | - |