| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 2,870 | +5.1% |
| 2023/12 | 2,732 | +20.2% |
| 2022/12 | 2,272 | +15.3% |
| 2021/12 | 1,971 | -40.5% |
| 2020/12 | 3,313 | -7.5% |
| 2019/12 | 3,583 | +13.1% |
| 2018/12 | 3,167 | +15.1% |
| 2017/12 | 2,752 | -13.2% |
| 2016/12 | 3,170 | +0.7% |
| 2015/12 | 3,148 | +4.4% |
| 2014/12 | 3,015 | -24.3% |
| 2013/12 | 3,981 | -28.4% |
| 2012/12 | 5,563 | -0.3% |
| 2011/12 | 5,581 | - |