| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 6,041 | +6.5% |
| 2023/12 | 5,671 | -6.5% |
| 2022/12 | 6,063 | +25.4% |
| 2021/12 | 4,835 | +20.4% |
| 2020/12 | 4,016 | -0.4% |
| 2019/12 | 4,031 | +4.5% |
| 2018/12 | 3,857 | -1.4% |
| 2017/12 | 3,910 | -25.4% |
| 2016/12 | 5,244 | +0.5% |
| 2015/12 | 5,218 | +19.1% |
| 2014/12 | 4,383 | -5.1% |
| 2013/12 | 4,618 | +6.8% |
| 2012/12 | 4,322 | -50.7% |
| 2011/12 | 8,772 | - |