| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 5,668 | -0.6% |
| 2023/12 | 5,703 | +8.5% |
| 2022/12 | 5,255 | -3.1% |
| 2021/12 | 5,423 | +19.5% |
| 2020/12 | 4,539 | +37.5% |
| 2019/12 | 3,301 | +9.0% |
| 2018/12 | 3,029 | -2.7% |
| 2017/12 | 3,113 | -5.7% |
| 2016/12 | 3,301 | -7.4% |
| 2015/12 | 3,566 | +13.7% |
| 2014/12 | 3,137 | -5.6% |
| 2013/12 | 3,323 | -4.3% |
| 2012/12 | 3,473 | +107025.2% |
| 2011/12 | 3 | - |