| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 642,900 | +5.5% |
| 2023/12 | 609,500 | +10.5% |
| 2022/12 | 551,800 | -7.5% |
| 2021/12 | 596,700 | -4.5% |
| 2020/12 | 625,100 | +5.4% |
| 2019/12 | 593,100 | +16.6% |
| 2018/12 | 508,700 | +5.6% |
| 2017/12 | 481,900 | +32.4% |
| 2016/12 | 364,100 | +1.8% |
| 2015/12 | 357,600 | +33.0% |
| 2014/12 | 268,800 | +26.9% |
| 2013/12 | 211,800 | -13.1% |
| 2012/12 | 243,600 | +6.2% |
| 2011/12 | 229,400 | - |