| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 25.9 | -15.6% |
| 2023/12 | 30.7 | +8.3% |
| 2022/12 | 28.4 | +65.2% |
| 2021/12 | 17.2 | +411.2% |
| 2020/12 | 3.4 | -33.0% |
| 2019/12 | 5.0 | -61.0% |
| 2018/12 | 12.8 | +30.0% |
| 2017/12 | 9.9 | +113.7% |
| 2016/12 | 4.6 | -26.5% |
| 2015/12 | 6.3 | +3.6% |
| 2014/12 | 6.1 | -6.6% |
| 2013/12 | 6.5 | -358.2% |
| 2012/12 | -2.5 | -329.3% |
| 2011/12 | 1.1 | -91.7% |
| 2010/12 | 13.2 | - |