| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 2024/12 | 36,796 | +17.4% |
| 2023/12 | 31,349 | +2.2% |
| 2022/12 | 30,666 | +6.2% |
| 2021/12 | 28,865 | +11.0% |
| 2020/12 | 26,004 | +1.0% |
| 2019/12 | 25,750 | -3.6% |
| 2018/12 | 26,705 | +11.1% |
| 2017/12 | 24,037 | +8.7% |
| 2016/12 | 22,114 | +7.2% |
| 2015/12 | 20,637 | +8.3% |
| 2014/12 | 19,047 | +2.7% |
| 2013/12 | 18,546 | +13.4% |
| 2012/12 | 16,360 | +87.5% |
| 2011/12 | 8,727 | - |