| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/2 | 282,200 | -5.5% |
| 2024/2 | 298,600 | -1.0% |
| 2023/1 | 301,500 | -3.8% |
| 2022/1 | 313,300 | -3.8% |
| 2021/1 | 325,800 | +0.6% |
| 2020/2 | 323,800 | -3.3% |
| 2019/2 | 334,800 | +3.0% |
| 2018/2 | 324,900 | +1.0% |
| 2017/1 | 321,800 | +25.0% |
| 2016/1 | 257,400 | +5.2% |
| 2015/2 | 244,700 | -22.0% |
| 2014/2 | 313,594 | +123.4% |
| 2013/2 | 140,356 | +6.3% |
| 2012/1 | 132,010 | -10.3% |
| 2011/1 | 147,137 | - |