| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 2025/4 | 17,759 | -2.9% |
| 2024/4 | 18,281 | +240.8% |
| 2023/4 | 5,364 | -305.7% |
| 2022/4 | -2,608 | +98.2% |
| 2021/4 | -1,316 | -43.9% |
| 2020/4 | -2,345 | -211.0% |
| 2019/4 | 2,112 | -76.8% |
| 2018/4 | 9,086 | +38.9% |
| 2017/4 | 6,542 | +14.8% |
| 2016/4 | 5,698 | +9.0% |
| 2015/4 | 5,226 | -12.4% |
| 2014/4 | 5,964 | +13.0% |
| 2013/4 | 5,277 | +94.5% |
| 2012/4 | 2,713 | - |