| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 469,423 | +2.6% |
| 2023/12 | 457,574 | -13.1% |
| 2022/12 | 526,306 | +21.7% |
| 2021/12 | 432,594 | +3.5% |
| 2020/12 | 417,942 | -4.8% |
| 2019/12 | 438,933 | -7.2% |
| 2018/12 | 472,785 | -10.8% |
| 2017/12 | 529,826 | -11.0% |
| 2016/12 | 595,270 | +5.1% |
| 2015/12 | 566,207 | -2.9% |
| 2014/12 | 583,408 | +3.8% |
| 2013/12 | 561,998 | +0.7% |
| 2012/12 | 557,888 | -4.0% |
| 2011/12 | 580,990 | +4.4% |
| 2010/12 | 556,312 | - |