| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2026/5 | 12.6 | +2.8% |
| 2025/5 | 12.2 | +14.9% |
| 2024/5 | 10.6 | -1.8% |
| 2023/5 | 10.8 | +6.6% |
| 2022/5 | 10.2 | -3.3% |
| 2021/5 | 10.5 | +4.0% |
| 2020/5 | 10.1 | +9.7% |
| 2019/5 | 9.2 | +0.1% |
| 2018/5 | 9.2 | +10.4% |
| 2017/5 | 8.3 | -2.2% |
| 2016/5 | 8.5 | -7.1% |
| 2015/5 | 9.2 | +13.9% |
| 2014/5 | 8.1 | +15.1% |
| 2013/5 | 7.0 | +9.5% |
| 2012/5 | 6.4 | -7.4% |
| 2011/5 | 6.9 | - |