| （単位：ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 980,000 | +17.9% |
| 2023/12 | 831,000 | +55.9% |
| 2022/12 | 533,000 | 0.0% |
| 2021/12 | 533,000 | +59.6% |
| 2020/12 | 334,000 | +132.6% |
| 2019/12 | 143,604 | +31.2% |
| 2018/12 | 109,439 | -6.0% |
| 2017/12 | 116,454 | -25.2% |
| 2016/12 | 155,707 | -26.5% |
| 2015/12 | 211,946 | -43.8% |
| 2014/12 | 377,261 | -11.5% |
| 2013/12 | 426,183 | +2.2% |
| 2012/12 | 416,970 | - |