| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2025/6 | 23.93 | +7.2% |
| 2024/6 | 22.32 | -0.2% |
| 2023/6 | 22.38 | -0.3% |
| 2022/6 | 22.44 | -3.0% |
| 2021/6 | 23.14 | +3.7% |
| 2020/6 | 22.32 | +148.9% |
| 2019/6 | 8.97 | -55.0% |
| 2018/6 | 19.94 | -2.1% |
| 2017/6 | 20.38 | -0.5% |
| 2016/6 | 20.47 | +31.8% |
| 2015/6 | 15.53 | -13.3% |
| 2014/6 | 17.92 | +1.6% |
| 2013/6 | 17.64 | +15.4% |
| 2012/6 | 15.28 | -17.0% |
| 2011/6 | 18.4 | -3.5% |
| 2010/6 | 19.06 | - |