| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 91,700 | -3.7% |
| 2024/12 | 95,200 | -6.2% |
| 2023/12 | 101,500 | +1.3% |
| 2022/12 | 100,200 | -45.2% |
| 2021/12 | 183,000 | -4.3% |
| 2020/12 | 191,300 | +1.4% |
| 2019/12 | 188,700 | -30.1% |
| 2018/12 | 269,900 | +2.0% |
| 2017/12 | 264,600 | +10.0% |
| 2016/12 | 240,600 | +13.1% |
| 2015/12 | 212,800 | +8.2% |
| 2014/12 | 196,600 | +1.1% |
| 2013/12 | 194,400 | +2.2% |
| 2012/12 | 190,200 | +5.8% |
| 2011/12 | 179,800 | - |