| （単位：千ドル） | 有利子負債合計 | 前年比（％） |
|---|---|---|
| 2023/12 | 30,704 | -28.6% |
| 2022/12 | 43,013 | -4.6% |
| 2021/12 | 45,095 | -2.6% |
| 2020/12 | 46,286 | -1.3% |
| 2019/12 | 46,917 | -14.4% |
| 2018/12 | 54,813 | +510.2% |
| 2017/12 | 8,983 | -21.0% |
| 2016/12 | 11,374 | -30.5% |
| 2015/12 | 16,369 | -0.5% |
| 2014/12 | 16,450 | -16.7% |
| 2013/12 | 19,750 | +52.5% |
| 2012/12 | 12,950 | -20.6% |
| 2011/12 | 16,300 | - |