| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/9 | 524,300 | +9.9% |
| 2024/9 | 476,900 | +17.1% |
| 2023/9 | 407,100 | +7.1% |
| 2022/9 | 380,200 | -9.5% |
| 2021/9 | 420,200 | +13.5% |
| 2020/9 | 370,300 | -2.4% |
| 2019/9 | 379,600 | -4.7% |
| 2018/9 | 398,400 | +23.3% |
| 2017/9 | 323,100 | +6.7% |
| 2016/9 | 302,800 | +11.0% |
| 2015/9 | 272,800 | +75.1% |
| 2014/9 | 155,800 | +102.9% |
| 2013/9 | 76,800 | +21.5% |
| 2012/9 | 63,200 | - |