| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/5 | 516,100 | +12.2% |
| 2024/5 | 459,900 | +18.6% |
| 2023/5 | 387,800 | +5.3% |
| 2022/5 | 368,400 | +5.0% |
| 2021/5 | 350,900 | -1.4% |
| 2020/5 | 355,900 | +5.7% |
| 2019/5 | 336,700 | +7.5% |
| 2018/5 | 313,100 | +14.7% |
| 2017/5 | 272,900 | -6.0% |
| 2016/5 | 290,200 | -9.1% |
| 2015/5 | 319,300 | +4.9% |
| 2014/5 | 304,400 | -22.9% |
| 2013/5 | 394,800 | +13.1% |
| 2012/5 | 349,100 | +10.2% |
| 2011/5 | 316,800 | +5.3% |
| 2010/5 | 300,900 | - |