| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 28,762 | +22.8% |
| 2023/12 | 23,416 | -8.4% |
| 2022/12 | 25,570 | -0.1% |
| 2021/12 | 25,600 | +6.1% |
| 2020/12 | 24,135 | -10.4% |
| 2019/12 | 26,927 | +6.8% |
| 2018/12 | 25,224 | -2.5% |
| 2017/12 | 25,882 | -0.6% |
| 2016/12 | 26,046 | +2.0% |
| 2015/12 | 25,541 | +36.1% |
| 2014/12 | 18,770 | -6.2% |
| 2013/12 | 20,016 | -5.4% |
| 2012/12 | 21,162 | +40.2% |
| 2011/12 | 15,099 | - |