| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 14,645 | -13.3% |
| 2023/12 | 16,887 | -14.4% |
| 2022/12 | 19,734 | +17.7% |
| 2021/12 | 16,766 | +13.4% |
| 2020/12 | 14,786 | +61.7% |
| 2019/12 | 9,145 | -2.7% |
| 2018/12 | 9,394 | -32.9% |
| 2017/12 | 13,990 | -38.5% |
| 2016/12 | 22,747 | -8.8% |
| 2015/12 | 24,938 | -55.0% |
| 2014/12 | 55,455 | -24.2% |
| 2013/12 | 73,150 | -10.6% |
| 2012/12 | 81,813 | -4.2% |
| 2011/12 | 85,367 | +19.2% |
| 2010/12 | 71,624 | - |