| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 537,645 | +6.0% |
| 2024/12 | 507,101 | -14.7% |
| 2023/12 | 594,166 | +14.3% |
| 2022/12 | 519,741 | +5.9% |
| 2021/12 | 490,722 | +7.6% |
| 2020/12 | 456,210 | -0.8% |
| 2019/12 | 460,030 | +54.3% |
| 2018/12 | 298,166 | +14.1% |
| 2017/12 | 261,415 | -6.5% |
| 2016/12 | 279,693 | -2.8% |
| 2015/12 | 287,835 | +15.8% |
| 2014/12 | 248,549 | +77.1% |
| 2013/12 | 140,316 | - |