| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 4,432 | +10.1% |
| 2023/12 | 4,026 | -2.0% |
| 2022/12 | 4,109 | -13.9% |
| 2021/12 | 4,775 | +26.3% |
| 2020/12 | 3,781 | +23.7% |
| 2019/12 | 3,057 | -7.1% |
| 2018/12 | 3,289 | +34.6% |
| 2017/12 | 2,444 | +11.6% |
| 2016/12 | 2,190 | +9.8% |
| 2015/12 | 1,995 | -6.9% |
| 2014/12 | 2,143 | +1.5% |
| 2013/12 | 2,111 | +0.7% |
| 2012/12 | 2,096 | +22.0% |
| 2011/12 | 1,718 | - |