| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 2024/12 | 85,201 | -41.7% |
| 2023/12 | 146,141 | +1967.1% |
| 2022/12 | 404,876 | -466.5% |
| 2022/1 | 7,070 | -106.4% |
| 2021/1 | -110,470 | - |
| 2019/12 | 380,372 | -10.1% |
| 2018/12 | 423,187 | -3.6% |
| 2017/12 | 438,812 | +121.9% |
| 2016/12 | 281,018 | +14.5% |
| 2016/1 | 197,763 | -19.4% |
| 2015/1 | 245,362 | - |
| 2013/12 | 299,454 | -252.6% |
| 2012/12 | -196,236 | +1624.1% |
| 2011/12 | 2,506 | - |
| 2011/1 | -11,382 | - |