| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/5 | 209,500 | +18.7% |
| 2024/5 | 176,500 | -0.1% |
| 2023/5 | 176,600 | -7.9% |
| 2022/5 | 191,800 | -0.1% |
| 2021/5 | 192,000 | -8.4% |
| 2020/5 | 209,700 | +15.5% |
| 2019/5 | 181,500 | +31.5% |
| 2018/5 | 138,000 | +8.7% |
| 2017/5 | 126,900 | +10.3% |
| 2016/5 | 115,100 | +8.0% |
| 2015/5 | 106,600 | +1.5% |
| 2014/5 | 105,000 | +6.9% |
| 2013/5 | 98,200 | +0.4% |
| 2012/5 | 97,800 | - |