| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 2023/12 | 14,027 | -23.6% |
| 2022/12 | 18,356 | +21.3% |
| 2021/12 | 15,129 | +22.1% |
| 2020/12 | 12,393 | -12.2% |
| 2019/12 | 14,108 | -21.0% |
| 2018/12 | 17,860 | +8130.4% |
| 2017/12 | 217 | -100.5% |
| 2016/12 | -45,731 | -230.2% |
| 2015/12 | 35,113 | +17.7% |
| 2014/12 | 29,842 | +5.1% |
| 2013/12 | 28,381 | -4707.3% |
| 2012/12 | -616 | -98.8% |
| 2011/12 | -51,176 | - |