| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 67,000 | +3.1% |
| 2023/12 | 65,000 | +12.1% |
| 2022/12 | 58,000 | +16.0% |
| 2021/12 | 50,000 | +19.0% |
| 2020/12 | 42,000 | +35.5% |
| 2019/12 | 31,000 | +19.2% |
| 2018/12 | 26,000 | +4.0% |
| 2017/12 | 25,000 | 0.0% |
| 2016/12 | 25,000 | +13.6% |
| 2015/12 | 22,000 | +11.8% |
| 2014/12 | 19,679 | +2.3% |
| 2013/12 | 19,244 | -0.1% |
| 2012/12 | 19,269 | +3.0% |
| 2011/12 | 18,700 | -0.0% |
| 2010/12 | 18,702 | - |