| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 148,000 | - |
| 2022/12 | 18,000 | -14.3% |
| 2021/12 | 21,000 | -12.1% |
| 2020/12 | 23,900 | -11.8% |
| 2019/12 | 27,100 | -16.2% |
| 2018/12 | 32,323 | -1.5% |
| 2017/12 | 32,803 | -0.0% |
| 2016/12 | 32,811 | +4.2% |
| 2015/12 | 31,497 | +13.3% |
| 2014/12 | 27,792 | -1.1% |
| 2013/12 | 28,092 | +10.3% |
| 2012/12 | 25,471 | +8.2% |
| 2011/12 | 23,535 | +17.0% |
| 2010/12 | 20,112 | - |