| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/1 | 47,128 | -34.1% |
| 2024/1 | 71,485 | +5.2% |
| 2023/1 | 67,960 | -9.9% |
| 2022/1 | 75,449 | -24.9% |
| 2021/1 | 100,408 | +9.7% |
| 2020/1 | 91,532 | +2.9% |
| 2019/1 | 88,915 | -15.9% |
| 2018/1 | 105,730 | -7.5% |
| 2017/1 | 114,257 | +7.5% |
| 2016/1 | 106,300 | +6.9% |
| 2015/1 | 99,464 | +77.7% |
| 2014/1 | 55,968 | -2.0% |
| 2013/1 | 57,097 | +7.6% |
| 2012/1 | 53,040 | - |