| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 179,431 | +0.2% |
| 2023/12 | 179,103 | -3.1% |
| 2022/12 | 184,875 | -1.5% |
| 2021/12 | 187,778 | -3.3% |
| 2020/12 | 194,168 | -8.2% |
| 2019/12 | 211,584 | -12.4% |
| 2018/12 | 241,641 | +29.2% |
| 2017/12 | 186,993 | +15.1% |
| 2016/12 | 162,500 | +4.0% |
| 2015/12 | 156,226 | +8.3% |
| 2014/12 | 144,294 | +13.2% |
| 2013/12 | 127,430 | +0.5% |
| 2012/12 | 126,798 | -3.0% |
| 2011/12 | 130,714 | - |