| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2026/1 | 21,121 | -4.7% |
| 2025/2 | 22,160 | -2.6% |
| 2024/2 | 22,763 | +5.3% |
| 2023/1 | 21,626 | -5.7% |
| 2022/1 | 22,930 | -4.7% |
| 2021/1 | 24,059 | -5.5% |
| 2020/2 | 25,449 | -6.8% |
| 2019/2 | 27,316 | +0.1% |
| 2018/2 | 27,288 | -2.2% |
| 2017/1 | 27,916 | -8.2% |
| 2016/1 | 30,410 | +4.3% |
| 2015/1 | 29,167 | +9.7% |
| 2014/2 | 26,596 | +15.9% |
| 2013/2 | 22,957 | +16.3% |
| 2012/1 | 19,744 | - |