| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2023/12 | 535,661 | +14.8% |
| 2022/12 | 466,517 | +30.8% |
| 2021/12 | 356,556 | -25.8% |
| 2020/12 | 480,631 | +99.7% |
| 2019/12 | 240,642 | +32.3% |
| 2018/12 | 181,909 | +57.2% |
| 2017/12 | 115,714 | +62.1% |
| 2016/12 | 71,369 | +3.1% |
| 2015/12 | 69,249 | +22.1% |
| 2014/12 | 56,724 | +29.0% |
| 2013/12 | 43,967 | -11.5% |
| 2012/12 | 49,701 | -0.1% |
| 2011/12 | 49,753 | - |