| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 21,600 | +16.1% |
| 2023/12 | 18,603 | +9.9% |
| 2022/12 | 16,926 | +3.8% |
| 2021/12 | 16,304 | -10.5% |
| 2020/12 | 18,207 | -11.6% |
| 2019/12 | 20,596 | -30.9% |
| 2018/12 | 29,806 | -2.3% |
| 2017/12 | 30,516 | +5.1% |
| 2016/12 | 29,045 | +12.8% |
| 2015/12 | 25,756 | +13.9% |
| 2014/12 | 22,613 | +5.4% |
| 2013/12 | 21,450 | +10.5% |
| 2012/12 | 19,415 | +6.4% |
| 2011/12 | 18,242 | - |