| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 45,302 | -1.8% |
| 2023/12 | 46,120 | -2.4% |
| 2022/12 | 47,231 | +2.2% |
| 2021/12 | 46,195 | +1.1% |
| 2020/12 | 45,680 | -50.3% |
| 2019/12 | 91,846 | +29.1% |
| 2018/12 | 71,128 | +35.7% |
| 2017/12 | 52,406 | -16.1% |
| 2016/12 | 62,488 | +40.5% |
| 2015/12 | 44,482 | +100.9% |
| 2014/12 | 22,146 | +30.6% |
| 2013/12 | 16,957 | -3.9% |
| 2012/12 | 17,643 | +3.7% |
| 2011/12 | 17,016 | - |