| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 2024/12 | 81,799 | +1.0% |
| 2023/12 | 80,979 | +1.6% |
| 2022/12 | 79,726 | -14.9% |
| 2021/12 | 93,660 | +63.7% |
| 2020/12 | 57,227 | +9.4% |
| 2019/12 | 52,289 | +20.7% |
| 2018/12 | 43,307 | -11.5% |
| 2017/12 | 48,941 | -2.5% |
| 2016/12 | 50,204 | +3.2% |
| 2015/12 | 48,648 | +22.5% |
| 2014/12 | 39,715 | +7.3% |
| 2013/12 | 37,003 | -3.7% |
| 2012/12 | 38,417 | +30.0% |
| 2011/12 | 29,546 | - |