| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 61,100 | -2.1% |
| 2024/12 | 62,400 | +3.1% |
| 2023/12 | 60,500 | +19.6% |
| 2022/12 | 50,600 | +11.0% |
| 2021/12 | 45,600 | +11.5% |
| 2020/12 | 40,900 | +6.5% |
| 2019/12 | 38,400 | +37.7% |
| 2018/12 | 27,896 | -14.2% |
| 2017/12 | 32,495 | -24.7% |
| 2016/12 | 43,147 | +17.5% |
| 2015/12 | 36,715 | +25.4% |
| 2014/12 | 29,280 | -13.9% |
| 2013/12 | 33,988 | +13.0% |
| 2012/12 | 30,066 | +6.4% |
| 2011/12 | 28,267 | +18.6% |
| 2010/12 | 23,843 | - |