| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 4,879 | +37.6% |
| 2023/12 | 3,545 | +49.8% |
| 2022/12 | 2,367 | -13.7% |
| 2021/12 | 2,744 | -25.2% |
| 2020/12 | 3,666 | +19.1% |
| 2019/12 | 3,079 | +4.6% |
| 2018/12 | 2,943 | +805.5% |
| 2017/12 | 325 | +13.6% |
| 2016/12 | 286 | -66.9% |
| 2015/12 | 865 | +17.7% |
| 2014/12 | 735 | -97.1% |
| 2013/12 | 25,337 | -10.5% |
| 2012/12 | 28,300 | -4.8% |
| 2011/12 | 29,712 | - |