| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 10,505 | -8.6% |
| 2023/12 | 11,496 | -11.2% |
| 2022/12 | 12,945 | -5.4% |
| 2021/12 | 13,678 | +45.1% |
| 2020/12 | 9,425 | -1.3% |
| 2019/12 | 9,553 | -2.2% |
| 2018/12 | 9,766 | -5.7% |
| 2017/12 | 10,358 | +8.2% |
| 2016/12 | 9,576 | -17.8% |
| 2015/12 | 11,654 | +53.1% |
| 2014/12 | 7,613 | +244.8% |
| 2013/12 | 2,208 | -1.3% |
| 2012/12 | 2,238 | +1.7% |
| 2011/12 | 2,200 | - |