| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/9 | 14,867 | +21.9% |
| 2023/9 | 12,198 | -8.7% |
| 2022/9 | 13,360 | -4.4% |
| 2021/9 | 13,976 | -10.6% |
| 2020/9 | 15,640 | +6.0% |
| 2019/9 | 14,759 | +6.9% |
| 2018/9 | 13,807 | -1.4% |
| 2017/9 | 14,009 | +1.6% |
| 2016/9 | 13,794 | +3.4% |
| 2015/9 | 13,338 | +0.4% |
| 2014/9 | 13,279 | +3.9% |
| 2013/9 | 12,784 | -5.6% |
| 2012/9 | 13,545 | +26.5% |
| 2011/9 | 10,708 | - |