| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/9 | 456,594 | -0.1% |
| 2024/9 | 457,026 | +11.6% |
| 2023/9 | 409,573 | +10.8% |
| 2022/9 | 369,790 | +10.3% |
| 2021/9 | 335,303 | +9.5% |
| 2020/9 | 306,158 | +11.1% |
| 2019/9 | 275,660 | +14.4% |
| 2018/9 | 240,961 | +7.5% |
| 2017/9 | 224,195 | -10.1% |
| 2016/9 | 249,417 | -25.8% |
| 2015/9 | 336,158 | -12.4% |
| 2014/9 | 383,781 | +17.5% |
| 2013/9 | 326,760 | +20.3% |
| 2012/9 | 271,530 | +19.9% |
| 2011/9 | 226,527 | +18.1% |
| 2010/9 | 191,809 | - |