| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 356,000 | -30.2% |
| 2023/12 | 510,000 | -18.4% |
| 2022/12 | 625,000 | -8.1% |
| 2021/12 | 680,000 | +21.0% |
| 2020/12 | 562,000 | +24.6% |
| 2019/12 | 451,000 | -3.4% |
| 2018/12 | 467,000 | +17.0% |
| 2017/12 | 399,000 | +0.3% |
| 2016/12 | 398,000 | +6.7% |
| 2015/12 | 373,000 | +35.1% |
| 2014/12 | 276,000 | +46.0% |
| 2013/12 | 189,000 | -59.5% |
| 2012/12 | 467,000 | -30.1% |
| 2011/12 | 668,000 | - |