| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 24,300 | -16.5% |
| 2023/12 | 29,100 | -42.0% |
| 2022/12 | 50,200 | +64.6% |
| 2021/12 | 30,500 | +2.7% |
| 2020/12 | 29,700 | -15.9% |
| 2019/12 | 35,300 | -12.6% |
| 2018/12 | 40,400 | +1.8% |
| 2017/12 | 39,700 | +2.1% |
| 2016/12 | 38,900 | -32.3% |
| 2015/12 | 57,500 | +10.6% |
| 2014/12 | 52,000 | +11.3% |
| 2013/12 | 46,700 | -14.6% |
| 2012/12 | 54,700 | -17.6% |
| 2011/12 | 66,400 | -12.4% |
| 2010/12 | 75,800 | - |