| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 638,300 | +1.3% |
| 2023/12 | 630,327 | +5.9% |
| 2022/12 | 595,464 | +0.6% |
| 2021/12 | 591,711 | -2.6% |
| 2020/12 | 607,507 | +5.4% |
| 2019/12 | 576,452 | +10.5% |
| 2018/12 | 521,765 | +16.8% |
| 2017/12 | 446,672 | +9.1% |
| 2016/12 | 409,467 | +12.9% |
| 2015/12 | 362,647 | +4.9% |
| 2014/12 | 345,570 | +11.9% |
| 2013/12 | 308,871 | +10.2% |
| 2012/12 | 280,293 | -5.9% |
| 2011/12 | 297,734 | +0.3% |
| 2010/12 | 296,773 | - |