| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 128,497 | +12.8% |
| 2024/12 | 113,948 | +0.5% |
| 2023/12 | 113,430 | +19.5% |
| 2022/12 | 94,952 | +9.0% |
| 2021/12 | 87,143 | -0.7% |
| 2020/12 | 87,755 | -9.9% |
| 2019/12 | 97,429 | -3.3% |
| 2018/12 | 100,780 | +4.2% |
| 2017/12 | 96,734 | -16.9% |
| 2016/12 | 116,424 | -28.3% |
| 2015/12 | 162,412 | -51.0% |
| 2014/12 | 331,683 | -13.6% |
| 2013/12 | 383,969 | -12.5% |
| 2012/12 | 438,755 | -0.2% |
| 2011/12 | 439,759 | - |