| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 6,377 | +6.3% |
| 2024/12 | 5,998 | -5.8% |
| 2023/12 | 6,366 | +5.9% |
| 2022/12 | 6,012 | -5.5% |
| 2021/12 | 6,363 | -1.4% |
| 2020/12 | 6,453 | -6.7% |
| 2019/12 | 6,915 | -1.4% |
| 2018/12 | 7,014 | +3.3% |
| 2017/12 | 6,787 | +4.8% |
| 2016/12 | 6,474 | +9.6% |
| 2015/12 | 5,906 | +3.0% |
| 2014/12 | 5,735 | +24.1% |
| 2013/12 | 4,623 | +7.7% |
| 2012/12 | 4,292 | +29.7% |
| 2011/12 | 3,309 | - |