| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/3 | 30,173 | -1.6% |
| 2024/3 | 30,675 | -6.0% |
| 2023/3 | 32,625 | +1.7% |
| 2022/3 | 32,092 | +6.4% |
| 2021/3 | 30,164 | +4.0% |
| 2020/3 | 28,995 | -8.8% |
| 2019/3 | 31,779 | -4.9% |
| 2018/3 | 33,426 | +29.6% |
| 2017/3 | 25,792 | +8.9% |
| 2016/3 | 23,676 | +33.5% |
| 2015/3 | 17,740 | +31.5% |
| 2014/3 | 13,486 | +1.9% |
| 2013/3 | 13,235 | +23.3% |
| 2012/3 | 10,734 | - |