| （単位：百万ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/9 | 1,771 | +11.2% |
| 2024/9 | 1,592 | +9.8% |
| 2023/10 | 1,450 | -5.2% |
| 2022/10 | 1,529 | +0.3% |
| 2021/10 | 1,524 | +1.4% |
| 2020/9 | 1,503 | +3.7% |
| 2019/9 | 1,449 | +11.0% |
| 2018/9 | 1,305 | +22.4% |
| 2017/10 | 1,067 | +3.6% |
| 2016/10 | 1,030 | +10.3% |
| 2015/9 | 933 | +24.8% |
| 2014/9 | 748 | +14.2% |
| 2013/9 | 655 | +12.9% |
| 2012/9 | 580 | +5.6% |
| 2011/10 | 550 | +1.7% |
| 2010/10 | 540 | - |