| （単位：千） | 営業利益 | 前年比（％） |
|---|---|---|
| 2024/12 | 153,330 | +60.2% |
| 2023/12 | 95,714 | +34.5% |
| 2022/12 | 71,157 | +29.1% |
| 2021/12 | 55,128 | -20.0% |
| 2020/12 | 68,945 | +17.3% |
| 2019/12 | 58,798 | +96.1% |
| 2018/12 | 29,980 | +123.6% |
| 2017/12 | 13,407 | +241.8% |
| 2016/12 | 3,923 | +38.3% |
| 2015/12 | 2,837 | -75.5% |
| 2014/12 | 11,599 | -532.3% |
| 2013/12 | -2,683 | +587.9% |
| 2013/3 | -16,023 | +4008.5% |
| 2012/3 | -390 | - |