| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 17,890 | -17.4% |
| 2023/12 | 21,662 | +3.5% |
| 2022/12 | 20,938 | +3.1% |
| 2021/12 | 20,316 | +2.9% |
| 2020/12 | 19,737 | +2.7% |
| 2019/12 | 19,212 | +0.7% |
| 2018/12 | 19,085 | +2.7% |
| 2017/12 | 18,584 | +11.0% |
| 2016/12 | 16,742 | +36.3% |
| 2015/12 | 12,281 | +33.1% |
| 2014/12 | 9,225 | +6.1% |
| 2013/12 | 8,693 | +8.4% |
| 2012/12 | 8,018 | -1.9% |
| 2011/12 | 8,176 | - |