| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 16,778 | +15.0% |
| 2024/12 | 14,585 | +1.7% |
| 2023/12 | 14,344 | -6.3% |
| 2022/12 | 15,316 | +4.4% |
| 2021/12 | 14,667 | +2.8% |
| 2020/12 | 14,268 | +2.4% |
| 2019/12 | 13,940 | +50.3% |
| 2018/12 | 9,272 | +4.3% |
| 2017/12 | 8,886 | +18.5% |
| 2016/12 | 7,496 | -2.1% |
| 2015/12 | 7,660 | +5.4% |
| 2014/12 | 7,269 | +17.2% |
| 2013/12 | 6,204 | +21.3% |
| 2012/12 | 5,116 | +16.6% |
| 2011/12 | 4,387 | +16.6% |
| 2010/12 | 3,764 | - |