| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 2024/12 | 27,084 | -15.2% |
| 2023/12 | 31,941 | +31.6% |
| 2022/12 | 24,263 | -52.3% |
| 2021/12 | 50,842 | +103.6% |
| 2020/12 | 24,970 | -206.7% |
| 2019/12 | -23,395 | -225.9% |
| 2018/12 | 18,579 | +22.4% |
| 2017/12 | 15,180 | -43.9% |
| 2016/12 | 27,077 | +11.7% |
| 2015/12 | 24,231 | +13.3% |
| 2014/12 | 21,384 | -24.1% |
| 2013/12 | 28,186 | +3.1% |
| 2012/12 | 27,335 | +11.2% |
| 2011/12 | 24,584 | - |