| （単位：ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 11,702 | -9.5% |
| 2023/12 | 12,927 | +10.7% |
| 2022/12 | 11,679 | -82.9% |
| 2021/12 | 68,460 | -63.7% |
| 2020/12 | 188,675 | -40.1% |
| 2019/12 | 314,908 | -31.1% |
| 2018/12 | 456,914 | -38.9% |
| 2017/12 | 748,020 | +61.3% |
| 2016/12 | 463,868 | +268.6% |
| 2015/12 | 125,853 | -49.7% |
| 2014/12 | 250,262 | -58.2% |
| 2013/12 | 599,153 | +39.8% |
| 2012/12 | 428,641 | - |