| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 409,582 | -4.4% |
| 2023/12 | 428,483 | -3.9% |
| 2022/12 | 445,664 | -5.1% |
| 2021/12 | 469,417 | +16.5% |
| 2020/12 | 402,929 | +61.4% |
| 2019/12 | 249,623 | -53.0% |
| 2018/12 | 530,903 | -11.7% |
| 2017/12 | 601,295 | -5.3% |
| 2016/12 | 635,227 | -5.8% |
| 2015/12 | 673,991 | -5.2% |
| 2014/12 | 710,898 | -2.7% |
| 2013/12 | 730,828 | +0.2% |
| 2012/12 | 729,285 | -4.5% |
| 2011/12 | 763,306 | - |