| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 383,880 | +0.2% |
| 2023/12 | 383,115 | -2.9% |
| 2022/12 | 394,552 | -10.4% |
| 2021/12 | 440,198 | -7.3% |
| 2020/12 | 474,959 | +29.0% |
| 2019/12 | 368,098 | +10.0% |
| 2018/12 | 334,589 | +14.3% |
| 2017/12 | 292,768 | +2.7% |
| 2016/12 | 284,969 | +7.7% |
| 2015/12 | 264,507 | +1.9% |
| 2014/12 | 259,642 | +6.0% |
| 2013/12 | 245,005 | -2.8% |
| 2012/12 | 251,958 | -0.9% |
| 2011/12 | 254,182 | - |