| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 38,338 | +5.6% |
| 2024/12 | 36,312 | -1.3% |
| 2023/12 | 36,800 | -3.2% |
| 2022/12 | 38,000 | -24.6% |
| 2021/12 | 50,400 | -5.4% |
| 2020/12 | 53,300 | +5.5% |
| 2019/12 | 50,500 | +18.0% |
| 2018/12 | 42,800 | +3.4% |
| 2017/12 | 41,400 | -65.4% |
| 2016/12 | 119,500 | +114.5% |
| 2015/12 | 55,700 | +1.3% |
| 2014/12 | 55,000 | +31.9% |
| 2013/12 | 41,700 | +18.8% |
| 2012/12 | 35,100 | - |