| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 21,989 | -0.6% |
| 2023/12 | 22,113 | +3.1% |
| 2022/12 | 21,455 | +12.4% |
| 2021/12 | 19,092 | +47.3% |
| 2020/12 | 12,961 | +12.0% |
| 2019/12 | 11,572 | +1.8% |
| 2018/12 | 11,362 | +0.5% |
| 2017/12 | 11,308 | +0.5% |
| 2016/12 | 11,253 | -9.1% |
| 2015/12 | 12,382 | +0.5% |
| 2014/12 | 12,325 | +2.6% |
| 2013/12 | 12,009 | +3.8% |
| 2012/12 | 11,568 | +129.2% |
| 2011/12 | 5,047 | - |