| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 2023/12 | 502,029 | +9.0% |
| 2022/12 | 460,461 | -7.6% |
| 2021/12 | 498,126 | -17.7% |
| 2020/12 | 605,623 | +1.7% |
| 2019/12 | 595,412 | +5.0% |
| 2018/12 | 567,213 | -1.7% |
| 2017/12 | 576,731 | +1.6% |
| 2016/12 | 567,512 | +658.6% |
| 2015/12 | 74,806 | +65.9% |
| 2014/12 | 45,086 | +13.1% |
| 2013/12 | 39,858 | -1499.5% |
| 2012/12 | -2,848 | -97.5% |
| 2011/12 | -111,975 | - |