| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/9 | 57,765 | -11.1% |
| 2023/9 | 64,955 | +5.4% |
| 2022/9 | 61,601 | +4.3% |
| 2021/9 | 59,047 | -2.8% |
| 2020/9 | 60,745 | +10.1% |
| 2019/9 | 55,149 | +46.2% |
| 2018/9 | 37,722 | -16.3% |
| 2017/9 | 45,048 | +26.5% |
| 2016/9 | 35,617 | +23.3% |
| 2015/9 | 28,882 | +59.2% |
| 2014/9 | 18,147 | -14.0% |
| 2013/9 | 21,104 | +3.7% |
| 2012/9 | 20,349 | +108.5% |
| 2011/9 | 9,758 | - |