| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 680,035 | -2.2% |
| 2024/12 | 695,473 | +0.5% |
| 2023/12 | 691,838 | +1.8% |
| 2022/12 | 679,572 | +9.6% |
| 2021/12 | 619,833 | +0.2% |
| 2020/12 | 618,629 | +21.8% |
| 2019/12 | 507,923 | +16.6% |
| 2018/12 | 435,679 | -0.2% |
| 2017/12 | 436,462 | +2.5% |
| 2016/12 | 425,638 | +11.6% |
| 2015/12 | 381,277 | - |
| 2013/12 | 348,231 | -1.8% |
| 2012/12 | 354,505 | -5.3% |
| 2011/12 | 374,274 | +21.4% |
| 2010/12 | 308,289 | - |