| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/9 | 838,000 | +1.5% |
| 2024/9 | 826,000 | +4.0% |
| 2023/9 | 794,000 | +1.1% |
| 2022/9 | 785,000 | +2.1% |
| 2021/9 | 769,000 | +8.2% |
| 2020/9 | 711,000 | +3.0% |
| 2019/9 | 690,000 | +3.4% |
| 2018/9 | 667,000 | +5.0% |
| 2017/9 | 635,000 | +8.5% |
| 2016/9 | 585,000 | -5.0% |
| 2015/9 | 616,000 | -0.2% |
| 2014/9 | 617,000 | +1.6% |
| 2013/9 | 607,000 | -0.3% |
| 2012/9 | 609,000 | - |