| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 10,251 | -6.3% |
| 2023/12 | 10,939 | -11.2% |
| 2022/12 | 12,320 | +8.6% |
| 2021/12 | 11,342 | +116.5% |
| 2020/12 | 5,240 | +4.0% |
| 2019/12 | 5,037 | -6.3% |
| 2018/12 | 5,375 | -17.4% |
| 2017/12 | 6,507 | -15.7% |
| 2016/12 | 7,720 | +7.4% |
| 2015/12 | 7,188 | +3.5% |
| 2014/12 | 6,941 | +10.8% |
| 2013/12 | 6,264 | +6.2% |
| 2012/12 | 5,897 | +4.2% |
| 2011/12 | 5,659 | - |