| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 48,262 | -92.7% |
| 2024/12 | 665,000 | +1.4% |
| 2023/12 | 656,000 | -6.3% |
| 2022/12 | 700,000 | +3.2% |
| 2021/12 | 678,000 | -0.7% |
| 2020/12 | 683,000 | -2.7% |
| 2019/12 | 702,000 | +9.7% |
| 2018/12 | 640,000 | +4.1% |
| 2017/12 | 615,000 | -0.5% |
| 2016/12 | 618,000 | +1.9% |
| 2015/12 | 606,455 | +0.1% |
| 2014/12 | 605,997 | -24.6% |
| 2013/12 | 803,781 | +32.1% |
| 2012/12 | 608,633 | +6.1% |
| 2011/12 | 573,557 | -0.6% |
| 2010/12 | 577,054 | - |