| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 41,243 | +0.4% |
| 2023/12 | 41,076 | +8.3% |
| 2022/12 | 37,945 | +3.1% |
| 2021/12 | 36,813 | +21.9% |
| 2020/12 | 30,189 | +8.3% |
| 2019/12 | 27,869 | +15.0% |
| 2018/12 | 24,231 | -7.8% |
| 2017/12 | 26,283 | +18.4% |
| 2016/12 | 22,207 | +30.7% |
| 2015/12 | 16,997 | +55.5% |
| 2014/12 | 10,931 | +39.2% |
| 2013/12 | 7,852 | +17.9% |
| 2012/12 | 6,661 | +23.1% |
| 2011/12 | 5,412 | - |