| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 5,610 | -9.3% |
| 2023/12 | 6,188 | -12.1% |
| 2022/12 | 7,036 | -9.9% |
| 2021/12 | 7,809 | +15.1% |
| 2020/12 | 6,784 | +10.5% |
| 2019/12 | 6,142 | -10.2% |
| 2018/12 | 6,836 | -2.7% |
| 2017/12 | 7,028 | +15.6% |
| 2016/12 | 6,081 | +8.5% |
| 2015/12 | 5,603 | +2.7% |
| 2014/12 | 5,458 | +8.8% |
| 2013/12 | 5,015 | +11.8% |
| 2012/12 | 4,485 | +8.7% |
| 2011/12 | 4,125 | - |