| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 2025/6 | 35,769 | +0.7% |
| 2024/6 | 35,517 | -4.1% |
| 2023/6 | 37,028 | +74.7% |
| 2022/6 | 21,201 | +164.0% |
| 2021/6 | 8,030 | -38.6% |
| 2020/6 | 13,076 | -165.7% |
| 2019/6 | -19,890 | -8.1% |
| 2018/6 | -21,652 | -699.9% |
| 2017/6 | 3,609 | -74.1% |
| 2016/6 | 13,956 | +85.3% |
| 2015/6 | 7,533 | +225.0% |
| 2014/6 | 2,318 | +267.9% |
| 2013/6 | 630 | -90.0% |
| 2012/6 | 6,331 | - |