| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/9 | 49,320 | +10.9% |
| 2024/9 | 44,487 | +8.4% |
| 2023/9 | 41,032 | +111.3% |
| 2022/9 | 19,418 | +24.4% |
| 2021/9 | 15,606 | +21.9% |
| 2020/9 | 12,800 | +10.3% |
| 2019/9 | 11,600 | +8.7% |
| 2018/9 | 10,673 | +14.0% |
| 2017/9 | 9,364 | +17.6% |
| 2016/9 | 7,964 | +1.3% |
| 2015/9 | 7,858 | +7.9% |
| 2014/9 | 7,281 | +7.4% |
| 2013/9 | 6,777 | +4.6% |
| 2012/9 | 6,479 | -2.1% |
| 2011/9 | 6,615 | - |