| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2023/12 | 315,162 | +5.0% |
| 2022/12 | 300,166 | -0.1% |
| 2021/12 | 300,597 | -7.5% |
| 2020/12 | 324,864 | -14.8% |
| 2019/12 | 381,237 | -11.9% |
| 2018/12 | 432,668 | +48.2% |
| 2017/12 | 291,873 | +67.7% |
| 2016/12 | 174,010 | -3.3% |
| 2015/12 | 179,922 | +20.4% |
| 2014/12 | 149,435 | +7.3% |
| 2013/12 | 139,274 | +15.1% |
| 2012/12 | 120,976 | +36.3% |
| 2011/12 | 88,745 | - |