| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 90,000 | -22.4% |
| 2023/12 | 116,000 | +2.7% |
| 2022/12 | 113,000 | -8.1% |
| 2021/12 | 123,000 | -33.1% |
| 2020/12 | 183,800 | -26.3% |
| 2019/12 | 249,300 | -48.8% |
| 2018/12 | 487,300 | -2.1% |
| 2017/12 | 497,600 | -2.8% |
| 2016/12 | 512,100 | +4.1% |
| 2015/12 | 492,140 | +57.2% |
| 2014/12 | 313,082 | +44.9% |
| 2013/12 | 216,119 | +29.5% |
| 2012/12 | 166,876 | +9.0% |
| 2011/12 | 153,153 | +6.9% |
| 2010/12 | 143,226 | - |