| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 43,789 | +0.8% |
| 2023/12 | 43,437 | -40.3% |
| 2022/12 | 72,709 | +32.4% |
| 2021/12 | 54,934 | -4.7% |
| 2020/12 | 57,615 | +8.1% |
| 2019/12 | 53,317 | +93.5% |
| 2018/12 | 27,554 | +10.9% |
| 2017/12 | 24,845 | +1.7% |
| 2016/12 | 24,431 | +15.9% |
| 2015/12 | 21,082 | +8.3% |
| 2014/12 | 19,465 | -1.3% |
| 2013/12 | 19,712 | +6.7% |
| 2012/12 | 18,477 | +12.8% |
| 2011/12 | 16,380 | +3.3% |
| 2010/12 | 15,850 | - |