| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 152,776 | -18.7% |
| 2023/12 | 187,807 | -6.9% |
| 2022/12 | 201,797 | -7.8% |
| 2021/12 | 218,851 | -13.4% |
| 2020/12 | 252,765 | -6.0% |
| 2019/12 | 269,003 | +4.1% |
| 2018/12 | 258,458 | +4.8% |
| 2017/12 | 246,731 | +1.2% |
| 2016/12 | 243,863 | +15.9% |
| 2015/12 | 210,410 | +89.7% |
| 2014/12 | 110,931 | -13.3% |
| 2013/12 | 127,990 | -6.3% |
| 2012/12 | 136,527 | +1.7% |
| 2011/12 | 134,273 | - |