| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 50,092 | +24.0% |
| 2024/12 | 40,407 | -4.2% |
| 2023/12 | 42,184 | -5.9% |
| 2022/12 | 44,852 | -19.5% |
| 2021/12 | 55,683 | +10.0% |
| 2020/12 | 50,609 | +2.5% |
| 2019/12 | 49,356 | +15.3% |
| 2018/12 | 42,807 | +3.9% |
| 2017/12 | 41,198 | +16.6% |
| 2016/12 | 35,346 | +19.4% |
| 2015/12 | 29,604 | +68.3% |
| 2014/12 | 17,590 | +53.6% |
| 2013/12 | 11,455 | +58.6% |
| 2012/12 | 7,223 | - |