| （単位：千ドル） | 売上原価 | 前年比（％） |
|---|---|---|
| 2025/9 | 5,142 | +4.4% |
| 2024/9 | 4,924 | -1.8% |
| 2023/9 | 5,014 | -2.0% |
| 2022/9 | 5,117 | +12.9% |
| 2021/9 | 4,533 | +0.6% |
| 2020/9 | 4,507 | -15.9% |
| 2019/9 | 5,360 | -20.6% |
| 2018/9 | 6,748 | -5.8% |
| 2017/9 | 7,160 | -1.7% |
| 2016/9 | 7,282 | -34.0% |
| 2015/9 | 11,039 | -9.6% |
| 2014/9 | 12,205 | +5.8% |
| 2013/9 | 11,538 | -2.0% |
| 2012/9 | 11,771 | -9.4% |
| 2011/9 | 12,995 | - |