| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2025/12 | 21.2 | +25.5% |
| 2024/12 | 16.9 | -30.1% |
| 2023/12 | 24.2 | -26.5% |
| 2022/12 | 32.9 | -41.8% |
| 2021/12 | 56.5 | +74.5% |
| 2020/12 | 32.4 | +47.1% |
| 2019/12 | 22.0 | +1.1% |
| 2018/12 | 21.8 | -34.4% |
| 2017/12 | 33.2 | -23.0% |
| 2016/12 | 43.1 | +21.8% |
| 2015/12 | 35.4 | +6.4% |
| 2014/12 | 33.3 | -15.6% |
| 2013/12 | 39.4 | +2.2% |
| 2012/12 | 38.6 | +303.9% |
| 2011/12 | 9.6 | - |