| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 19,948 | +1.6% |
| 2023/12 | 19,630 | -39.8% |
| 2022/12 | 32,625 | +32.5% |
| 2021/12 | 24,628 | +12.3% |
| 2020/12 | 21,930 | +1790.5% |
| 2019/12 | 1,160 | -149.5% |
| 2018/12 | -2,345 | -83.1% |
| 2017/12 | -13,869 | -72.1% |
| 2016/12 | -49,765 | -40.3% |
| 2015/12 | -83,360 | +0.1% |
| 2014/12 | -83,279 | +54.8% |
| 2013/12 | -53,794 | +2023.7% |
| 2012/12 | -2,533 | -247.8% |
| 2011/12 | 1,714 | - |