| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 148,000 | -1.3% |
| 2024/12 | 150,000 | +0.7% |
| 2023/12 | 149,000 | +2.8% |
| 2022/12 | 145,000 | -4.0% |
| 2021/12 | 151,000 | +13.5% |
| 2020/12 | 133,000 | -16.4% |
| 2019/12 | 159,000 | +1.9% |
| 2018/12 | 156,000 | +22.8% |
| 2017/12 | 127,000 | -5.2% |
| 2016/12 | 134,000 | +0.8% |
| 2015/12 | 133,000 | -20.4% |
| 2014/12 | 167,000 | -10.2% |
| 2013/12 | 186,000 | - |