| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 16,000 | -16.2% |
| 2023/12 | 19,099 | -35.5% |
| 2022/12 | 23,333 | -45.9% |
| 2022/1 | 29,606 | -31.4% |
| 2021/1 | 43,134 | - |
| 2019/12 | 54,792 | -18.9% |
| 2018/12 | 67,584 | -28.6% |
| 2017/12 | 80,973 | -7.6% |
| 2016/12 | 94,592 | +7.9% |
| 2016/1 | 87,662 | -8.6% |
| 2015/1 | 95,931 | - |
| 2013/12 | 81,936 | +25.0% |
| 2012/12 | 65,536 | +61.6% |
| 2011/12 | 51,925 | - |
| 2011/1 | 40,560 | - |