| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2025/6 | 25.83 | +1.8% |
| 2024/6 | 25.37 | +3.0% |
| 2023/6 | 24.64 | +6.8% |
| 2022/6 | 23.06 | +2.9% |
| 2021/6 | 22.4 | +2.7% |
| 2020/6 | 21.81 | +2.9% |
| 2019/6 | 21.2 | +30.1% |
| 2018/6 | 16.29 | -20.3% |
| 2017/6 | 20.45 | +6.7% |
| 2016/6 | 19.15 | +1.2% |
| 2015/6 | 18.93 | +1.6% |
| 2014/6 | 18.63 | +1.1% |
| 2013/6 | 18.43 | -7.4% |
| 2012/6 | 19.9 | +1.7% |
| 2011/6 | 19.56 | -6.3% |
| 2010/6 | 20.87 | - |