| （単位：百万ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 3,455 | -3.9% |
| 2024/12 | 3,597 | -14.6% |
| 2023/12 | 4,214 | -13.1% |
| 2022/12 | 4,848 | +4.6% |
| 2021/12 | 4,633 | +12.5% |
| 2020/12 | 4,120 | -17.7% |
| 2019/12 | 5,006 | -6.6% |
| 2018/12 | 5,362 | +38.4% |
| 2017/12 | 3,874 | -5.3% |
| 2016/12 | 4,090 | -11.6% |
| 2015/12 | 4,629 | +4.1% |
| 2014/12 | 4,448 | -5.6% |
| 2013/12 | 4,713 | -11.2% |
| 2012/12 | 5,307 | -46.3% |
| 2011/12 | 9,883 | -12.7% |
| 2010/12 | 11,320 | - |