| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 2024/12 | 28,041 | -5.0% |
| 2023/12 | 29,531 | +20.6% |
| 2022/12 | 24,483 | +4.6% |
| 2021/12 | 23,396 | -4.2% |
| 2020/12 | 24,431 | +2.7% |
| 2019/12 | 23,786 | +5.6% |
| 2018/12 | 22,517 | +0.2% |
| 2017/12 | 22,473 | -1.8% |
| 2016/12 | 22,888 | +1.0% |
| 2015/12 | 22,661 | +2.6% |
| 2014/12 | 22,077 | +6.3% |
| 2013/12 | 20,761 | +0.9% |
| 2012/12 | 20,573 | +3.5% |
| 2011/12 | 19,875 | - |