| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 2,890 | -7.5% |
| 2023/12 | 3,126 | -48.2% |
| 2022/12 | 6,031 | +8.3% |
| 2021/12 | 5,569 | +33.1% |
| 2020/12 | 4,183 | +5.5% |
| 2019/12 | 3,964 | -13.3% |
| 2018/12 | 4,571 | -8.9% |
| 2017/12 | 5,018 | -7.5% |
| 2016/12 | 5,423 | -10.4% |
| 2015/12 | 6,053 | -12.1% |
| 2014/12 | 6,889 | -18.5% |
| 2013/12 | 8,453 | -4.8% |
| 2012/12 | 8,876 | +42.6% |
| 2011/12 | 6,226 | - |