| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | -387 | -116.2% |
| 2023/12 | 2,388 | -91.7% |
| 2022/12 | 28,651 | -0.0% |
| 2021/12 | 28,655 | -4.5% |
| 2020/12 | 30,002 | -16.0% |
| 2019/12 | 35,730 | +21.6% |
| 2018/12 | 29,374 | +12.8% |
| 2017/12 | 26,032 | +3.2% |
| 2016/12 | 25,223 | -14.9% |
| 2015/12 | 29,636 | +57.9% |
| 2014/12 | 18,773 | +12.4% |
| 2013/12 | 16,699 | -11.1% |
| 2012/12 | 18,784 | -7.9% |
| 2011/12 | 20,401 | - |