| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 43,647 | +2.9% |
| 2023/12 | 42,403 | +2.6% |
| 2022/12 | 41,315 | +4.3% |
| 2021/12 | 39,596 | +7.5% |
| 2020/12 | 36,850 | +4.1% |
| 2019/12 | 35,397 | -12.4% |
| 2018/12 | 40,425 | +3.6% |
| 2017/12 | 39,031 | +0.5% |
| 2016/12 | 38,850 | -7.6% |
| 2015/12 | 42,033 | +2.3% |
| 2014/12 | 41,073 | +2.5% |
| 2013/12 | 40,090 | -3.1% |
| 2012/12 | 41,385 | +7.9% |
| 2011/12 | 38,349 | - |