| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 20,224 | +8.1% |
| 2023/12 | 18,708 | -25.7% |
| 2022/12 | 25,173 | -7.2% |
| 2021/12 | 27,113 | +22.9% |
| 2020/12 | 22,057 | +23.6% |
| 2019/12 | 17,841 | +6.1% |
| 2018/12 | 16,816 | +9.5% |
| 2017/12 | 15,358 | +10.3% |
| 2016/12 | 13,926 | -8.8% |
| 2015/12 | 15,273 | -1.6% |
| 2014/12 | 15,523 | +6.4% |
| 2013/12 | 14,587 | +4.9% |
| 2012/12 | 13,910 | +3.0% |
| 2011/12 | 13,501 | - |