| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 2024/12 | 203,531 | -51.8% |
| 2023/12 | 306,715 | -27.1% |
| 2023/1 | 422,650 | +0.4% |
| 2022/1 | 420,806 | -11.1% |
| 2021/1 | 473,517 | - |
| 2019/12 | 514,899 | -4.2% |
| 2018/12 | 537,592 | +413.6% |
| 2017/12 | 142,891 | +3.7% |
| 2017/1 | 104,675 | -24.1% |
| 2016/1 | 137,835 | - |
| 2014/12 | 208,442 | -547.7% |
| 2013/12 | -46,557 | -43.5% |
| 2012/12 | -82,423 | - |