| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 56,670 | +4.8% |
| 2023/12 | 54,054 | +21.6% |
| 2022/12 | 44,468 | -6.5% |
| 2021/12 | 47,567 | +36.8% |
| 2020/12 | 34,772 | +102.5% |
| 2019/12 | 17,175 | +166.9% |
| 2018/12 | 6,435 | -51.9% |
| 2017/12 | 13,367 | -11.7% |
| 2016/12 | 15,130 | -20.6% |
| 2015/12 | 19,050 | +59.7% |
| 2014/12 | 11,926 | +16.6% |
| 2013/12 | 10,229 | +13.2% |
| 2012/12 | 9,035 | +76.3% |
| 2011/12 | 5,125 | +3.7% |
| 2010/12 | 4,941 | - |