| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 2024/12 | 14,169 | -5.9% |
| 2023/12 | 15,051 | +5.7% |
| 2022/12 | 14,235 | +4.1% |
| 2021/12 | 13,677 | +15.6% |
| 2020/12 | 11,836 | -4.0% |
| 2019/12 | 12,325 | +15.6% |
| 2018/12 | 10,660 | +1.0% |
| 2017/12 | 10,555 | +12.3% |
| 2016/12 | 9,400 | +31.0% |
| 2015/12 | 7,175 | -9.4% |
| 2014/12 | 7,919 | +7.9% |
| 2013/12 | 7,342 | +33.6% |
| 2012/12 | 5,494 | -0.6% |
| 2011/12 | 5,528 | - |