| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 39,153 | +10.0% |
| 2023/12 | 35,600 | -6.3% |
| 2022/12 | 38,000 | -4.8% |
| 2021/12 | 39,900 | -6.8% |
| 2020/12 | 42,800 | +0.7% |
| 2019/12 | 42,500 | +32.0% |
| 2018/12 | 32,200 | +5.1% |
| 2017/12 | 30,648 | +0.2% |
| 2016/12 | 30,600 | -6.8% |
| 2015/12 | 32,840 | -5.5% |
| 2014/12 | 34,745 | -1.7% |
| 2013/12 | 35,355 | -10.6% |
| 2012/12 | 39,538 | -21.3% |
| 2011/12 | 50,220 | - |