| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2025/12 | 35.3 | +6.2% |
| 2024/12 | 33.2 | -9.4% |
| 2023/12 | 36.7 | -25.0% |
| 2022/12 | 48.9 | -17.2% |
| 2021/12 | 59.1 | +80.7% |
| 2020/12 | 32.7 | -29.8% |
| 2019/12 | 46.5 | +13.8% |
| 2018/12 | 40.9 | -4.3% |
| 2017/12 | 42.7 | +2.3% |
| 2016/12 | 41.7 | -7.3% |
| 2015/12 | 45.0 | +22.3% |
| 2014/12 | 36.8 | -14.3% |
| 2013/12 | 43.0 | +46.3% |
| 2012/12 | 29.4 | +1.6% |
| 2011/12 | 28.9 | - |