| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 44,000 | +3.0% |
| 2023/12 | 42,708 | +5.0% |
| 2022/12 | 40,660 | +5.5% |
| 2021/12 | 38,547 | +23.6% |
| 2020/12 | 31,189 | +8.6% |
| 2019/12 | 28,723 | +25.7% |
| 2018/12 | 22,842 | +25.6% |
| 2017/12 | 18,182 | +9.2% |
| 2016/12 | 16,644 | -10.3% |
| 2015/12 | 18,565 | -13.2% |
| 2014/12 | 21,387 | +1.7% |
| 2013/12 | 21,033 | +15.7% |
| 2012/12 | 18,183 | +19.5% |
| 2011/12 | 15,218 | +1.8% |
| 2010/12 | 14,950 | - |