| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2025/3 | 26.69 | +5.3% |
| 2024/3 | 25.36 | -35.3% |
| 2023/3 | 39.21 | +0.7% |
| 2022/3 | 38.94 | +13.0% |
| 2021/3 | 34.47 | +14.2% |
| 2020/3 | 30.19 | -7.5% |
| 2019/3 | 32.63 | -0.7% |
| 2018/3 | 32.85 | +8.4% |
| 2017/3 | 30.32 | +2.2% |
| 2016/3 | 29.67 | -3.5% |
| 2015/3 | 30.76 | +6.7% |
| 2014/3 | 28.84 | +10.9% |
| 2013/3 | 25.99 | -2.3% |
| 2012/3 | 26.6 | -14.9% |
| 2011/3 | 31.26 | +33.2% |
| 2010/3 | 23.46 | - |