| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/4 | 46,667 | -3.9% |
| 2024/4 | 48,552 | +20.8% |
| 2023/4 | 40,193 | +1.1% |
| 2022/4 | 39,771 | +20.4% |
| 2021/4 | 33,021 | +5.9% |
| 2020/4 | 31,192 | +0.1% |
| 2019/4 | 31,147 | -2.0% |
| 2018/4 | 31,767 | +9.0% |
| 2017/4 | 29,131 | +9.9% |
| 2016/4 | 26,517 | +19.0% |
| 2015/4 | 22,283 | -3.9% |
| 2014/4 | 23,182 | +0.2% |
| 2013/4 | 23,140 | -1.5% |
| 2012/4 | 23,486 | - |