| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 1.4 | +32.1% |
| 2023/12 | 1.1 | -61.3% |
| 2022/12 | 2.8 | +2.5% |
| 2021/12 | 2.7 | +234.1% |
| 2020/12 | 0.8 | -75.0% |
| 2019/12 | 3.3 | -4.3% |
| 2018/12 | 3.4 | -2.1% |
| 2017/12 | 3.5 | -1.8% |
| 2016/12 | 3.6 | +4.4% |
| 2015/12 | 3.4 | +4.1% |
| 2014/12 | 3.3 | +39.8% |
| 2013/12 | 2.3 | +31.8% |
| 2012/12 | 1.8 | -18.3% |
| 2011/12 | 2.2 | -349.1% |
| 2010/12 | -0.9 | - |