| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 417,471 | +13.0% |
| 2024/12 | 369,552 | +7.5% |
| 2023/12 | 343,695 | +7.0% |
| 2022/12 | 321,177 | +7.8% |
| 2021/12 | 297,952 | +15.9% |
| 2020/12 | 257,059 | +64.3% |
| 2019/12 | 156,476 | +6.7% |
| 2018/12 | 146,673 | +7.3% |
| 2017/12 | 136,724 | +2.8% |
| 2016/12 | 133,008 | +3.3% |
| 2015/12 | 128,737 | +1.7% |
| 2014/12 | 126,535 | +1.4% |
| 2013/12 | 124,793 | +6.7% |
| 2012/12 | 116,996 | +4.5% |
| 2011/12 | 111,942 | -7.5% |
| 2010/12 | 121,067 | - |