| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/3 | 29,587 | -11.0% |
| 2024/3 | 33,250 | -6.6% |
| 2023/3 | 35,581 | -28.3% |
| 2022/3 | 49,635 | -46.8% |
| 2021/3 | 93,334 | -32.4% |
| 2020/3 | 138,168 | -7.8% |
| 2019/3 | 149,904 | -5.3% |
| 2018/3 | 158,368 | -10.5% |
| 2017/3 | 176,946 | -0.5% |
| 2016/3 | 177,755 | +12.3% |
| 2015/3 | 158,323 | -3.6% |
| 2014/3 | 164,277 | +26.8% |
| 2013/3 | 129,506 | +8.2% |
| 2012/3 | 119,724 | - |