| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 25,143 | +0.7% |
| 2023/12 | 24,966 | -2.6% |
| 2022/12 | 25,645 | -1.6% |
| 2021/12 | 26,058 | -15.1% |
| 2020/12 | 30,697 | -10.8% |
| 2019/12 | 34,399 | -31.2% |
| 2018/12 | 49,998 | -0.2% |
| 2017/12 | 50,095 | +53.4% |
| 2016/12 | 32,650 | -18.1% |
| 2015/12 | 39,850 | +62.2% |
| 2014/12 | 24,573 | +33.4% |
| 2013/12 | 18,425 | +13.8% |
| 2012/12 | 16,192 | +25.6% |
| 2011/12 | 12,892 | - |