| （単位：千ドル） | 売上原価 | 前年比（％） |
|---|---|---|
| 2025/3 | 17,339 | +1.2% |
| 2024/3 | 17,126 | +7.6% |
| 2023/3 | 15,919 | -28.9% |
| 2022/3 | 22,402 | +5.5% |
| 2021/3 | 21,228 | +10.6% |
| 2020/3 | 19,199 | -2.7% |
| 2019/3 | 19,736 | -4.9% |
| 2018/3 | 20,744 | +4.7% |
| 2017/3 | 19,818 | -0.8% |
| 2016/3 | 19,974 | +3.3% |
| 2015/3 | 19,343 | +11.5% |
| 2014/3 | 17,341 | +4.3% |
| 2013/3 | 16,623 | +11.9% |
| 2012/3 | 14,857 | - |