| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 10,904 | +3.8% |
| 2023/12 | 10,508 | +37.0% |
| 2022/12 | 7,670 | +16.7% |
| 2021/12 | 6,570 | -1.3% |
| 2020/12 | 6,656 | -40.5% |
| 2019/12 | 11,191 | +116.3% |
| 2018/12 | 5,174 | +13.1% |
| 2017/12 | 4,574 | -24.2% |
| 2016/12 | 6,035 | -6.8% |
| 2015/12 | 6,473 | -6.1% |
| 2014/12 | 6,891 | +23.0% |
| 2013/12 | 5,603 | -29.8% |
| 2012/12 | 7,979 | +42.9% |
| 2011/12 | 5,583 | - |