| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 2024/12 | 26,151 | +16.5% |
| 2023/12 | 22,446 | -6.1% |
| 2022/12 | 23,906 | +7.2% |
| 2021/12 | 22,294 | -0.0% |
| 2020/12 | 22,295 | +11.9% |
| 2019/12 | 19,925 | +5.1% |
| 2018/12 | 18,955 | -3.3% |
| 2017/12 | 19,600 | +4.2% |
| 2016/12 | 18,819 | +7.0% |
| 2015/12 | 17,582 | +9.6% |
| 2014/12 | 16,046 | +10.8% |
| 2013/12 | 14,484 | -8.6% |
| 2012/12 | 15,855 | +15.4% |
| 2011/12 | 13,736 | - |