| （単位：百万ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 1,406 | +0.2% |
| 2024/12 | 1,403 | +24.5% |
| 2023/12 | 1,127 | +77.8% |
| 2022/12 | 634 | -19.2% |
| 2021/12 | 785 | +80.5% |
| 2020/12 | 435 | +16.6% |
| 2019/12 | 373 | -18.7% |
| 2018/12 | 459 | -56.5% |
| 2017/12 | 1,056 | -22.8% |
| 2016/12 | 1,367 | - |
| 2014/12 | 1,523 | +21.3% |
| 2013/12 | 1,256 | +32.2% |
| 2012/12 | 950 | +6.0% |
| 2011/12 | 896 | +6.9% |
| 2010/12 | 838 | - |