| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 19.9 | -24.5% |
| 2023/12 | 26.3 | -41.1% |
| 2022/12 | 44.6 | -13.0% |
| 2021/12 | 51.3 | -1.9% |
| 2020/12 | 52.3 | +10.2% |
| 2019/12 | 47.5 | +0.2% |
| 2018/12 | 47.4 | -1.8% |
| 2017/12 | 48.3 | +3.3% |
| 2016/12 | 46.7 | -0.5% |
| 2015/12 | 47.0 | -5.3% |
| 2014/12 | 49.6 | +4.0% |
| 2013/12 | 47.7 | +27.9% |
| 2012/12 | 37.3 | +507.4% |
| 2011/12 | 6.1 | -64.4% |
| 2010/12 | 17.2 | - |