| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 45,330 | -5.1% |
| 2024/12 | 47,742 | -16.6% |
| 2023/12 | 57,240 | -12.9% |
| 2022/12 | 65,697 | -18.9% |
| 2021/12 | 81,041 | -11.5% |
| 2020/12 | 91,581 | -2.4% |
| 2019/12 | 93,787 | -3.5% |
| 2018/12 | 97,171 | -6.3% |
| 2017/12 | 103,743 | - |
| 2015/12 | 93,426 | -4.6% |
| 2014/12 | 97,916 | +20.5% |
| 2013/12 | 81,267 | +41.3% |
| 2012/12 | 57,500 | +14.4% |
| 2011/12 | 50,261 | - |