| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 53,476 | -12.0% |
| 2023/12 | 60,738 | +21.7% |
| 2022/12 | 49,917 | +56.1% |
| 2021/12 | 31,970 | -5.3% |
| 2020/12 | 33,748 | +19.8% |
| 2019/12 | 28,182 | +3.6% |
| 2018/12 | 27,206 | -4.8% |
| 2017/12 | 28,579 | -1.9% |
| 2016/12 | 29,119 | -12.8% |
| 2015/12 | 33,406 | +40.3% |
| 2014/12 | 23,806 | +14.9% |
| 2013/12 | 20,715 | -15.2% |
| 2012/12 | 24,440 | +20.4% |
| 2011/12 | 20,307 | - |