| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 18,857 | +1.9% |
| 2023/12 | 18,508 | +74.6% |
| 2022/12 | 10,603 | -45.8% |
| 2021/12 | 19,560 | -26.6% |
| 2020/12 | 26,656 | +157.0% |
| 2019/12 | 10,371 | -17.2% |
| 2018/12 | 12,522 | -15.2% |
| 2017/12 | 14,774 | -10.1% |
| 2016/12 | 16,433 | +20.0% |
| 2015/12 | 13,696 | -10.6% |
| 2014/12 | 15,312 | -5.9% |
| 2013/12 | 16,275 | +50.7% |
| 2012/12 | 10,801 | +5.2% |
| 2011/12 | 10,263 | - |