| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 11,334 | +71.8% |
| 2023/12 | 6,596 | +3.7% |
| 2022/12 | 6,362 | -10.9% |
| 2021/12 | 7,140 | -3.5% |
| 2020/12 | 7,400 | -8.8% |
| 2019/12 | 8,116 | -3.6% |
| 2018/12 | 8,421 | -3.2% |
| 2017/12 | 8,702 | -21.4% |
| 2016/12 | 11,066 | -23.7% |
| 2015/12 | 14,506 | -25.0% |
| 2014/12 | 19,338 | -18.4% |
| 2013/12 | 23,701 | -11.7% |
| 2012/12 | 26,848 | -5.7% |
| 2011/12 | 28,464 | - |