| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 69,002 | +0.8% |
| 2023/12 | 68,437 | +6.6% |
| 2022/12 | 64,215 | +26.5% |
| 2021/12 | 50,769 | +30.7% |
| 2020/12 | 38,853 | -2.0% |
| 2019/12 | 39,643 | +18.6% |
| 2018/12 | 33,426 | +82.4% |
| 2017/12 | 18,329 | +216.2% |
| 2016/12 | 5,796 | -16.8% |
| 2015/12 | 6,967 | +3.1% |
| 2014/12 | 6,759 | -4.1% |
| 2013/12 | 7,046 | +289.3% |
| 2012/12 | 1,810 | -2.0% |
| 2011/12 | 1,847 | - |