| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 680,100 | +1.4% |
| 2023/12 | 670,400 | -0.2% |
| 2022/12 | 671,600 | +0.6% |
| 2021/12 | 667,400 | -8.0% |
| 2020/12 | 725,300 | -6.4% |
| 2019/12 | 775,200 | +49.5% |
| 2018/12 | 518,500 | +118.6% |
| 2017/12 | 237,189 | +3.7% |
| 2016/12 | 228,683 | +51.6% |
| 2015/12 | 150,834 | +51.1% |
| 2014/12 | 99,831 | +0.1% |
| 2013/12 | 99,780 | +31.6% |
| 2012/12 | 75,814 | +79.6% |
| 2011/12 | 42,224 | - |