| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 17,091 | +1.6% |
| 2023/12 | 16,830 | -47.0% |
| 2022/12 | 31,753 | -12.0% |
| 2021/12 | 36,065 | -17.4% |
| 2020/12 | 43,685 | -43.3% |
| 2019/12 | 77,036 | -34.5% |
| 2018/12 | 117,654 | +24.0% |
| 2017/12 | 94,884 | -4.5% |
| 2016/12 | 99,311 | +37.6% |
| 2015/12 | 72,152 | +28.9% |
| 2014/12 | 55,956 | +36.1% |
| 2013/12 | 41,126 | +72.7% |
| 2012/12 | 23,812 | +61.6% |
| 2011/12 | 14,739 | - |