| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 27,897 | -2.1% |
| 2023/12 | 28,496 | +34.7% |
| 2022/12 | 21,158 | +77.6% |
| 2021/12 | 11,914 | -6.1% |
| 2020/12 | 12,692 | -7.7% |
| 2019/12 | 13,749 | -5.1% |
| 2018/12 | 14,484 | -3.8% |
| 2017/12 | 15,053 | -3.1% |
| 2016/12 | 15,529 | +1.6% |
| 2015/12 | 15,282 | +4.6% |
| 2014/12 | 14,615 | +7.6% |
| 2013/12 | 13,588 | +12.6% |
| 2012/12 | 12,066 | +5.3% |
| 2011/12 | 11,459 | - |