| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 304,648 | -4.7% |
| 2023/12 | 319,682 | -3.8% |
| 2022/12 | 332,407 | -2.8% |
| 2021/12 | 342,014 | +3.7% |
| 2020/12 | 329,924 | +9.4% |
| 2019/12 | 301,683 | +7.3% |
| 2018/12 | 281,279 | -2.2% |
| 2017/12 | 287,591 | +7.7% |
| 2016/12 | 267,062 | +26.7% |
| 2015/12 | 210,703 | +70.9% |
| 2014/12 | 123,257 | -4.2% |
| 2013/12 | 128,646 | +13.9% |
| 2012/12 | 112,983 | - |