| （単位：ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 301,000 | +32.6% |
| 2023/12 | 227,000 | -1.7% |
| 2022/12 | 231,000 | +10.0% |
| 2021/12 | 210,000 | +19.3% |
| 2020/12 | 176,000 | +1.7% |
| 2019/12 | 173,000 | +8.8% |
| 2018/12 | 159,000 | +6.7% |
| 2017/12 | 149,000 | -4.5% |
| 2016/12 | 156,000 | -0.6% |
| 2015/12 | 157,000 | -10.8% |
| 2014/12 | 176,000 | -11.1% |
| 2013/12 | 198,000 | +54.7% |
| 2012/12 | 128,000 | +21.9% |
| 2011/12 | 105,000 | - |