| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/1 | 290,000 | - |
| 2023/12 | 331,000 | -0.6% |
| 2022/12 | 333,000 | +18.1% |
| 2021/12 | 325,000 | +38.9% |
| 2021/1 | 282,000 | +20.5% |
| 2020/1 | 234,000 | - |
| 2018/12 | 257,000 | -23.5% |
| 2017/12 | 336,000 | +175.4% |
| 2016/12 | 122,000 | +96.8% |
| 2015/1 | 62,000 | -23.5% |
| 2014/1 | 81,000 | -28.3% |
| 2013/1 | 113,000 | -0.9% |
| 2012/1 | 114,000 | +2.7% |
| 2011/1 | 111,000 | - |