| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 620,700 | +2.7% |
| 2023/12 | 604,400 | +4.8% |
| 2022/12 | 576,500 | +0.5% |
| 2021/12 | 573,900 | +6.3% |
| 2020/12 | 539,900 | +5.9% |
| 2019/12 | 509,900 | +5.3% |
| 2018/12 | 484,400 | +13.3% |
| 2017/12 | 427,700 | +13.1% |
| 2016/12 | 378,200 | +8.7% |
| 2015/12 | 347,800 | +11.9% |
| 2014/12 | 310,900 | +8.9% |
| 2013/12 | 285,500 | +19.2% |
| 2012/12 | 239,500 | -2.8% |
| 2011/12 | 246,300 | - |