| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 173,998 | -28.0% |
| 2023/12 | 241,828 | -4.7% |
| 2022/12 | 253,809 | +0.3% |
| 2021/12 | 253,155 | -6.0% |
| 2020/12 | 269,421 | -12.9% |
| 2019/12 | 309,324 | -3.0% |
| 2018/12 | 318,952 | -2.2% |
| 2017/12 | 325,991 | -5.3% |
| 2016/12 | 344,124 | -8.5% |
| 2015/12 | 375,962 | -7.5% |
| 2014/12 | 406,243 | +0.8% |
| 2013/12 | 403,170 | +1.0% |
| 2012/12 | 399,264 | -7.6% |
| 2011/12 | 432,035 | - |