| （単位：ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 173,000 | +3.6% |
| 2023/12 | 167,000 | +23.7% |
| 2022/12 | 135,000 | -25.0% |
| 2021/12 | 180,000 | -3.2% |
| 2020/12 | 186,000 | +4.5% |
| 2019/12 | 178,000 | +10.6% |
| 2018/12 | 161,000 | -20.7% |
| 2017/12 | 203,000 | +16.0% |
| 2016/12 | 175,000 | +12.9% |
| 2015/12 | 155,000 | 0.0% |
| 2014/12 | 155,000 | -17.6% |
| 2013/12 | 188,000 | -11.3% |
| 2012/12 | 212,000 | +14.0% |
| 2011/12 | 186,000 | - |