| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 201,900 | - |
| 2022/12 | 238,200 | -10.2% |
| 2021/12 | 265,363 | +2.2% |
| 2020/12 | 259,776 | -0.5% |
| 2019/12 | 261,155 | 0.0% |
| 2018/12 | 261,162 | +10.0% |
| 2017/12 | 237,513 | +13.6% |
| 2016/12 | 209,071 | +10.5% |
| 2015/12 | 189,206 | +7.7% |
| 2014/12 | 175,656 | +7.1% |
| 2013/12 | 163,970 | +11.0% |
| 2012/12 | 147,675 | -3.9% |
| 2011/12 | 153,738 | - |