| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 141,000 | -5.9% |
| 2024/12 | 149,869 | +3.9% |
| 2023/12 | 144,252 | +194.3% |
| 2022/12 | 49,018 | +111.6% |
| 2021/12 | 23,168 | +55.6% |
| 2020/12 | 14,893 | -56.5% |
| 2019/12 | 34,213 | +3.8% |
| 2018/12 | 32,971 | +6.0% |
| 2017/12 | 31,101 | -10.0% |
| 2016/12 | 34,542 | +14.0% |
| 2015/12 | 30,312 | -31.8% |
| 2014/12 | 44,459 | +10.0% |
| 2013/12 | 40,431 | -29.4% |
| 2012/12 | 57,305 | +24.2% |
| 2011/12 | 46,121 | - |