| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 662,800 | +3.1% |
| 2024/12 | 643,000 | +8.7% |
| 2023/12 | 591,600 | +10.8% |
| 2022/12 | 533,900 | +10.4% |
| 2021/12 | 483,800 | -16.7% |
| 2020/12 | 581,100 | +29.9% |
| 2019/12 | 447,500 | +18.2% |
| 2018/12 | 378,596 | +26.3% |
| 2017/12 | 299,860 | +28.7% |
| 2016/12 | 232,948 | +12.5% |
| 2015/12 | 207,004 | +10.0% |
| 2014/12 | 188,209 | +59.5% |
| 2013/12 | 118,001 | - |