| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2025/6 | 74.2 | +1.5% |
| 2024/6 | 73.1 | -0.8% |
| 2023/6 | 73.7 | +1.9% |
| 2022/6 | 72.3 | +1.5% |
| 2021/6 | 71.3 | +0.9% |
| 2020/6 | 70.6 | +8.5% |
| 2019/6 | 65.0 | +4.4% |
| 2018/6 | 62.3 | +19.8% |
| 2017/6 | 52.0 | +0.4% |
| 2016/6 | 51.8 | +41.2% |
| 2015/6 | 36.7 | +333.2% |
| 2014/6 | 8.5 | -18.2% |
| 2013/6 | 10.4 | +1864.2% |
| 2012/6 | 0.5 | -97.0% |
| 2011/6 | 17.4 | - |