| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2025/9 | 28.6 | +7.8% |
| 2024/9 | 26.5 | +27.7% |
| 2023/9 | 20.8 | -38.8% |
| 2022/9 | 33.9 | +10.9% |
| 2021/9 | 30.6 | +25.9% |
| 2020/9 | 24.3 | -21.1% |
| 2019/9 | 30.8 | +1265.7% |
| 2018/9 | 2.3 | -83.3% |
| 2017/9 | 13.5 | -53.3% |
| 2016/9 | 29.0 | +13.1% |
| 2015/9 | 25.7 | -22.6% |
| 2014/9 | 33.1 | +0.6% |
| 2013/9 | 33.0 | -4.0% |
| 2012/9 | 34.3 | -9.7% |
| 2011/9 | 38.0 | - |