| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 749,675 | -1.6% |
| 2024/12 | 762,068 | +10.5% |
| 2023/12 | 689,966 | +1.4% |
| 2022/12 | 680,600 | -8.3% |
| 2021/12 | 742,009 | -13.9% |
| 2020/12 | 861,870 | -5.8% |
| 2019/12 | 914,867 | -5.9% |
| 2018/12 | 972,465 | +17.9% |
| 2017/12 | 824,610 | +1.8% |
| 2016/12 | 809,873 | +14.1% |
| 2015/12 | 709,763 | +48.5% |
| 2014/12 | 477,896 | +104.3% |
| 2013/12 | 233,876 | - |