| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 2023/12 | -7,897 | +8.1% |
| 2022/12 | -7,302 | -30.9% |
| 2021/12 | -10,566 | -6.4% |
| 2020/12 | -11,289 | -22.4% |
| 2019/12 | -14,557 | +77.3% |
| 2018/12 | -8,212 | +34.7% |
| 2017/12 | -6,097 | -45.2% |
| 2016/12 | -11,131 | +77.4% |
| 2015/12 | -6,276 | -50.8% |
| 2014/12 | -12,764 | +28.0% |
| 2013/12 | -9,970 | +14.8% |
| 2012/12 | -8,687 | -9.4% |
| 2011/12 | -9,584 | - |