| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/9 | 19,034 | +5.1% |
| 2023/9 | 18,115 | -33.0% |
| 2022/9 | 27,035 | -17.0% |
| 2021/9 | 32,568 | -0.8% |
| 2020/9 | 32,820 | +43.0% |
| 2019/9 | 22,950 | -8.9% |
| 2018/9 | 25,187 | +20.6% |
| 2017/9 | 20,885 | +7.8% |
| 2016/9 | 19,369 | +11.0% |
| 2015/9 | 17,453 | +31.4% |
| 2014/9 | 13,285 | -37.7% |
| 2013/9 | 21,315 | -6.4% |
| 2012/9 | 22,767 | +17.3% |
| 2011/9 | 19,404 | +5.1% |
| 2010/9 | 18,465 | - |