| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 133,323 | +4.3% |
| 2024/12 | 127,804 | +2.2% |
| 2023/12 | 125,106 | -7.2% |
| 2022/12 | 134,742 | -24.7% |
| 2021/12 | 178,934 | -5.1% |
| 2020/12 | 188,638 | +29.1% |
| 2019/12 | 146,166 | +61.9% |
| 2018/12 | 90,297 | +4.5% |
| 2017/12 | 86,412 | +2.5% |
| 2016/12 | 84,325 | +7.5% |
| 2015/12 | 78,456 | +26.5% |
| 2014/12 | 62,005 | +12.1% |
| 2013/12 | 55,307 | +12.9% |
| 2012/12 | 48,977 | +19.9% |
| 2011/12 | 40,837 | +4.9% |
| 2010/12 | 38,913 | - |