| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 45,800 | -3.8% |
| 2024/12 | 47,600 | +5.5% |
| 2023/12 | 45,100 | +3.9% |
| 2022/12 | 43,400 | -6.1% |
| 2021/12 | 46,200 | +7.7% |
| 2020/12 | 42,900 | -0.9% |
| 2019/12 | 43,300 | -1.6% |
| 2018/12 | 44,000 | +2.8% |
| 2017/12 | 42,800 | +9.5% |
| 2016/12 | 39,100 | +35.3% |
| 2015/12 | 28,900 | -2.7% |
| 2014/12 | 29,700 | -1.7% |
| 2013/12 | 30,200 | +7.9% |
| 2012/12 | 28,000 | - |