| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 504,341 | +5.7% |
| 2024/12 | 477,010 | +4.5% |
| 2023/12 | 456,550 | +7.0% |
| 2022/12 | 426,531 | +14.4% |
| 2021/12 | 372,848 | +8.7% |
| 2020/12 | 343,153 | +4.2% |
| 2019/12 | 329,293 | +3.3% |
| 2018/12 | 318,685 | +7.2% |
| 2017/12 | 297,290 | -0.5% |
| 2016/12 | 298,677 | +23.0% |
| 2015/12 | 242,848 | +46.7% |
| 2014/12 | 165,516 | +133.2% |
| 2013/12 | 70,987 | - |