| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 56,277 | +0.9% |
| 2023/12 | 55,763 | -16.5% |
| 2022/12 | 66,763 | -20.7% |
| 2021/12 | 84,153 | -13.5% |
| 2020/12 | 97,290 | -15.0% |
| 2019/12 | 114,400 | -6.6% |
| 2018/12 | 122,497 | +93.8% |
| 2017/12 | 63,215 | -7.5% |
| 2016/12 | 68,318 | -10.1% |
| 2015/12 | 75,993 | -22.8% |
| 2014/12 | 98,463 | -0.4% |
| 2013/12 | 98,845 | -9.7% |
| 2012/12 | 109,471 | -15.4% |
| 2011/12 | 129,466 | -1.3% |
| 2010/12 | 131,205 | - |