| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 25.7 | +1.3% |
| 2023/12 | 25.4 | +25.3% |
| 2022/12 | 20.3 | -44.7% |
| 2021/12 | 36.7 | +4471.0% |
| 2020/12 | 0.8 | -97.8% |
| 2019/12 | 36.6 | -17.1% |
| 2018/12 | 44.1 | -5.0% |
| 2017/12 | 46.5 | -22.4% |
| 2016/12 | 59.9 | -12.3% |
| 2015/12 | 68.3 | -4.3% |
| 2014/12 | 71.3 | +2.9% |
| 2013/12 | 69.3 | +17.8% |
| 2012/12 | 58.8 | +22.9% |
| 2011/12 | 47.9 | +33.0% |
| 2010/12 | 36.0 | - |