| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 2023/12 | -4,624 | -63.6% |
| 2022/12 | -12,706 | +7.8% |
| 2021/12 | -11,787 | +486.1% |
| 2020/12 | -2,011 | -69.0% |
| 2019/12 | -6,492 | -172.6% |
| 2018/12 | 8,941 | +119.5% |
| 2017/12 | 4,074 | -168.7% |
| 2016/12 | -5,931 | -58.6% |
| 2015/12 | -14,338 | +97.5% |
| 2014/12 | -7,259 | -41.1% |
| 2013/12 | -12,315 | -22.7% |
| 2012/12 | -15,933 | -53.7% |
| 2011/12 | -34,435 | - |