| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 844,000 | +14.2% |
| 2024/12 | 739,000 | +24.6% |
| 2023/12 | 593,000 | +19.6% |
| 2022/12 | 496,000 | -23.1% |
| 2021/12 | 645,000 | +117.9% |
| 2020/12 | 296,000 | +66.3% |
| 2019/12 | 178,000 | -2.2% |
| 2018/12 | 182,000 | -53.2% |
| 2017/12 | 389,000 | -9.7% |
| 2016/12 | 431,000 | +5.1% |
| 2015/12 | 410,000 | +1.7% |
| 2014/12 | 403,000 | +194.2% |
| 2013/12 | 137,000 | +30.5% |
| 2012/12 | 105,000 | +42.9% |
| 2011/12 | 73,500 | -18.7% |
| 2010/12 | 90,400 | - |