| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 47,973 | -12.7% |
| 2023/12 | 54,935 | +6.0% |
| 2022/12 | 51,848 | +6.1% |
| 2021/12 | 48,879 | -4.7% |
| 2020/12 | 51,281 | +11.8% |
| 2019/12 | 45,862 | +2.7% |
| 2018/12 | 44,666 | +0.6% |
| 2017/12 | 44,379 | -3.9% |
| 2016/12 | 46,202 | +15.6% |
| 2015/12 | 39,964 | +30.9% |
| 2014/12 | 30,524 | +191.4% |
| 2013/12 | 10,474 | +8.6% |
| 2012/12 | 9,641 | +3.8% |
| 2011/12 | 9,291 | - |