| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 682,000 | +8.8% |
| 2024/12 | 627,000 | +19.2% |
| 2023/12 | 526,000 | +2.7% |
| 2022/12 | 512,000 | +0.6% |
| 2021/12 | 509,000 | +18.9% |
| 2020/12 | 428,000 | +8.1% |
| 2019/12 | 396,000 | +19.6% |
| 2018/12 | 331,000 | -0.9% |
| 2017/12 | 334,000 | +11.3% |
| 2016/12 | 300,000 | +13.2% |
| 2015/12 | 265,000 | +94.9% |
| 2014/12 | 136,000 | +166.7% |
| 2013/12 | 51,000 | - |