| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 52,487 | +5.5% |
| 2023/12 | 49,744 | +8.1% |
| 2022/12 | 46,016 | -5.3% |
| 2021/12 | 48,568 | -7.9% |
| 2020/12 | 52,746 | -10.4% |
| 2019/12 | 58,871 | +126.0% |
| 2018/12 | 26,047 | +183.3% |
| 2017/12 | 9,195 | -11.7% |
| 2016/12 | 10,412 | -7.6% |
| 2015/12 | 11,273 | -16.7% |
| 2014/12 | 13,528 | +0.4% |
| 2013/12 | 13,469 | +43.2% |
| 2012/12 | 9,403 | -6.6% |
| 2011/12 | 10,067 | - |