| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/2 | 148,200 | -8.5% |
| 2024/2 | 161,900 | -1.6% |
| 2023/1 | 164,500 | +0.6% |
| 2022/1 | 163,500 | -7.1% |
| 2021/1 | 176,000 | -4.1% |
| 2020/2 | 178,000 | -12.5% |
| 2019/2 | 183,600 | -9.7% |
| 2018/2 | 203,400 | - |
| 2017/1 | 188,800 | +7.7% |
| 2016/1 | 175,300 | +17.1% |
| 2015/1 | 149,700 | +35.8% |
| 2014/2 | 110,200 | +10.9% |
| 2013/2 | 99,400 | +7.6% |
| 2012/1 | 92,400 | - |