| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 305,875 | +3.2% |
| 2023/12 | 296,394 | -2.0% |
| 2022/12 | 302,480 | -6.8% |
| 2021/12 | 324,403 | -0.5% |
| 2020/12 | 326,058 | -3.4% |
| 2019/12 | 337,667 | +0.9% |
| 2018/12 | 334,682 | -1.9% |
| 2017/12 | 341,275 | -4.0% |
| 2016/12 | 355,358 | -24.6% |
| 2015/12 | 471,320 | +21.5% |
| 2014/12 | 387,785 | +1.2% |
| 2013/12 | 383,002 | +18.7% |
| 2012/12 | 322,720 | +14.2% |
| 2011/12 | 282,643 | +8.6% |
| 2010/12 | 260,252 | - |