| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/9 | 106,991 | -5.1% |
| 2023/9 | 112,702 | -2.5% |
| 2022/9 | 115,609 | +0.2% |
| 2021/9 | 115,424 | +20.4% |
| 2020/9 | 95,857 | +39.9% |
| 2019/9 | 68,507 | +15.2% |
| 2018/9 | 59,491 | -2.7% |
| 2017/9 | 61,148 | +7.7% |
| 2016/9 | 56,776 | +8.0% |
| 2015/9 | 52,583 | +14.0% |
| 2014/9 | 46,121 | +15.3% |
| 2013/9 | 40,005 | +13.8% |
| 2012/9 | 35,139 | +68.2% |
| 2011/9 | 20,887 | -187.6% |
| 2010/9 | -23,833 | - |