| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 12,961 | -19.8% |
| 2024/12 | 16,161 | -3.1% |
| 2023/12 | 16,684 | +11.2% |
| 2022/12 | 15,000 | +5.3% |
| 2021/12 | 14,239 | -13.6% |
| 2020/12 | 16,481 | -49.6% |
| 2019/12 | 32,729 | +2.1% |
| 2018/12 | 32,048 | +13.9% |
| 2017/12 | 28,146 | +10.7% |
| 2016/12 | 25,416 | -4.1% |
| 2015/12 | 26,490 | -11.7% |
| 2014/12 | 29,989 | -8.4% |
| 2013/12 | 32,726 | +1.0% |
| 2012/12 | 32,390 | - |