| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/9 | 397,344 | +3.9% |
| 2023/9 | 382,314 | -5.2% |
| 2022/9 | 403,170 | -3.9% |
| 2021/9 | 419,726 | -12.9% |
| 2020/9 | 481,885 | -14.4% |
| 2019/9 | 562,803 | -3.6% |
| 2018/9 | 583,802 | -0.3% |
| 2017/9 | 585,543 | -2.2% |
| 2016/9 | 598,587 | -1.4% |
| 2015/9 | 606,992 | +15.9% |
| 2014/9 | 523,549 | +14.9% |
| 2013/9 | 455,623 | +17.6% |
| 2012/9 | 387,549 | +22.8% |
| 2011/9 | 315,468 | +20.1% |
| 2010/9 | 262,658 | - |