| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 73,000 | -45.5% |
| 2023/12 | 134,000 | -2.2% |
| 2022/12 | 137,000 | +328.1% |
| 2021/12 | 32,000 | -71.2% |
| 2020/12 | 111,000 | -53.9% |
| 2019/12 | 241,000 | -36.9% |
| 2018/12 | 382,000 | -6.1% |
| 2017/12 | 407,000 | +29.6% |
| 2016/12 | 314,000 | +27.1% |
| 2015/12 | 247,000 | +8.8% |
| 2014/12 | 227,000 | +17.6% |
| 2013/12 | 193,000 | -19.6% |
| 2012/12 | 240,000 | -11.1% |
| 2011/12 | 270,000 | -18.2% |
| 2010/12 | 330,000 | - |