| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 110,206 | +4.7% |
| 2024/12 | 105,306 | -4.2% |
| 2023/12 | 109,893 | +2.2% |
| 2022/12 | 107,563 | +5.0% |
| 2021/12 | 102,468 | +3.5% |
| 2020/12 | 99,013 | +3.8% |
| 2019/12 | 95,416 | +56.8% |
| 2018/12 | 60,843 | +11.7% |
| 2017/12 | 54,466 | +15.8% |
| 2016/12 | 47,016 | -28.7% |
| 2015/12 | 65,982 | +17.8% |
| 2014/12 | 56,032 | +5.2% |
| 2013/12 | 53,261 | -3.0% |
| 2012/12 | 54,935 | +9.9% |
| 2011/12 | 49,967 | -15.3% |
| 2010/12 | 58,987 | - |