| （単位：千ドル） | 有利子負債合計 | 前年比（％） |
|---|---|---|
| 2024/12 | 135,500 | -4.2% |
| 2023/12 | 141,514 | -7.2% |
| 2022/12 | 152,437 | -21.8% |
| 2021/12 | 194,956 | +33.0% |
| 2020/12 | 146,576 | -6.3% |
| 2019/12 | 156,384 | -4.5% |
| 2018/12 | 163,756 | -1.9% |
| 2017/12 | 166,949 | -28.4% |
| 2016/12 | 233,154 | +0.3% |
| 2015/12 | 232,363 | -7.1% |
| 2014/12 | 250,000 | 0.0% |
| 2013/12 | 250,000 | 0.0% |
| 2012/12 | 250,000 | 0.0% |
| 2011/12 | 250,000 | - |