| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 2024/12 | 35,194 | -12.1% |
| 2023/12 | 40,045 | -14.0% |
| 2022/12 | 46,543 | -7.4% |
| 2021/12 | 50,270 | +17.8% |
| 2020/12 | 42,677 | -0.8% |
| 2019/12 | 43,035 | +22.0% |
| 2018/12 | 35,275 | +3.1% |
| 2017/12 | 34,219 | +9.7% |
| 2016/12 | 31,197 | +18.0% |
| 2015/12 | 26,447 | -6.5% |
| 2014/12 | 28,296 | +14.1% |
| 2013/12 | 24,806 | +9.2% |
| 2012/12 | 22,719 | +21.3% |
| 2011/12 | 18,735 | - |