| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 27,165 | -4.8% |
| 2024/12 | 28,533 | -61.9% |
| 2023/12 | 74,927 | -3.8% |
| 2022/12 | 77,862 | -1.0% |
| 2021/12 | 78,652 | -3.9% |
| 2020/12 | 81,854 | +1.8% |
| 2019/12 | 80,413 | -22.4% |
| 2018/12 | 103,660 | +5.2% |
| 2017/12 | 98,523 | +4.5% |
| 2016/12 | 94,256 | +10.1% |
| 2015/12 | 85,596 | -12.7% |
| 2014/12 | 98,087 | +33.0% |
| 2013/3 | 73,751 | -21.3% |
| 2012/3 | 93,684 | - |