| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/9 | 27,616 | -9.8% |
| 2023/9 | 30,621 | -16.2% |
| 2022/9 | 36,544 | -14.7% |
| 2021/9 | 42,841 | +18.6% |
| 2020/9 | 36,133 | +23.2% |
| 2019/9 | 29,332 | -7.7% |
| 2018/9 | 31,766 | -23.1% |
| 2017/9 | 41,282 | -5.0% |
| 2016/9 | 43,441 | -4.7% |
| 2015/9 | 45,563 | -3.4% |
| 2014/9 | 47,173 | -15.2% |
| 2013/9 | 55,637 | -15.6% |
| 2012/9 | 65,917 | -7.6% |
| 2011/9 | 71,334 | - |