| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 15,288 | +5.9% |
| 2023/12 | 14,435 | +10.7% |
| 2022/12 | 13,042 | -2.6% |
| 2021/12 | 13,387 | -5.3% |
| 2020/12 | 14,131 | +22.2% |
| 2019/12 | 11,567 | +10.7% |
| 2018/12 | 10,451 | +0.1% |
| 2017/12 | 10,441 | +13.0% |
| 2016/12 | 9,242 | +13.8% |
| 2015/12 | 8,122 | +10.0% |
| 2014/12 | 7,386 | +5.8% |
| 2013/12 | 6,978 | +15.3% |
| 2012/12 | 6,052 | -3.0% |
| 2011/12 | 6,238 | - |