| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 469,700 | -3.6% |
| 2023/12 | 487,200 | -1.0% |
| 2022/12 | 492,100 | -9.6% |
| 2021/12 | 544,300 | +4.3% |
| 2020/12 | 521,900 | -2.8% |
| 2019/12 | 536,900 | +1.5% |
| 2018/12 | 528,800 | +23.4% |
| 2017/12 | 428,500 | +112.3% |
| 2016/12 | 201,800 | +1.7% |
| 2015/12 | 198,400 | -0.8% |
| 2014/12 | 199,900 | +12.9% |
| 2013/12 | 177,000 | +16.3% |
| 2012/12 | 152,200 | +9.2% |
| 2011/12 | 139,400 | - |