| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 495,000 | +7.1% |
| 2023/12 | 462,000 | +6.0% |
| 2022/12 | 436,000 | +24.9% |
| 2021/12 | 349,000 | -29.1% |
| 2020/12 | 492,000 | +4.2% |
| 2019/12 | 472,000 | +31.1% |
| 2018/12 | 360,000 | +5.6% |
| 2017/12 | 341,000 | -24.7% |
| 2016/12 | 453,000 | +2.7% |
| 2015/12 | 441,000 | +6.5% |
| 2014/12 | 414,000 | -18.3% |
| 2013/12 | 507,000 | -4.5% |
| 2012/12 | 531,000 | +16.7% |
| 2011/12 | 455,000 | -0.4% |
| 2010/12 | 457,000 | - |