| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 34,116 | -1.8% |
| 2024/12 | 34,724 | +12.2% |
| 2023/12 | 30,959 | +9.4% |
| 2022/12 | 28,296 | -4.6% |
| 2021/12 | 29,646 | -5.6% |
| 2020/12 | 31,401 | +55.1% |
| 2019/12 | 20,250 | +10.5% |
| 2018/12 | 18,324 | -4.3% |
| 2017/12 | 19,157 | -14.1% |
| 2016/12 | 22,294 | -0.9% |
| 2015/12 | 22,489 | -5.0% |
| 2014/12 | 23,670 | +41.4% |
| 2013/12 | 16,738 | +3.6% |
| 2012/12 | 16,152 | +1.4% |
| 2011/12 | 15,930 | -8.1% |
| 2010/12 | 17,329 | - |