| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/6 | 53,618 | -0.2% |
| 2024/6 | 53,752 | +0.1% |
| 2023/7 | 53,673 | +9.4% |
| 2022/7 | 49,078 | +15.5% |
| 2021/6 | 42,510 | +30.7% |
| 2020/6 | 32,513 | +8.5% |
| 2019/6 | 29,965 | -7.7% |
| 2018/7 | 32,469 | -2.7% |
| 2017/7 | 33,376 | +3.1% |
| 2016/7 | 32,384 | +11.2% |
| 2015/6 | 29,124 | +46.7% |
| 2014/6 | 19,848 | +5.6% |
| 2013/6 | 18,798 | -4.0% |
| 2012/7 | 19,576 | - |