| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/1 | 38,601 | +22.6% |
| 2024/1 | 31,479 | +24.9% |
| 2023/1 | 25,197 | +13.8% |
| 2022/1 | 22,139 | -6.6% |
| 2021/1 | 23,701 | -15.6% |
| 2020/1 | 28,067 | +18.9% |
| 2019/1 | 23,605 | -6.0% |
| 2018/1 | 25,105 | -6.6% |
| 2017/1 | 26,868 | -5.9% |
| 2016/1 | 28,538 | -10.2% |
| 2015/1 | 31,768 | +3.2% |
| 2014/1 | 30,794 | +31.2% |
| 2013/1 | 23,464 | +53.7% |
| 2012/1 | 15,263 | - |