| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 28.46 | +6.9% |
| 2023/12 | 26.61 | -19.0% |
| 2022/12 | 32.84 | +1.0% |
| 2021/12 | 32.53 | +55.6% |
| 2020/12 | 20.9 | -22.1% |
| 2019/12 | 26.83 | +31.2% |
| 2018/12 | 20.45 | -32.1% |
| 2017/12 | 30.13 | +21.0% |
| 2016/12 | 24.9 | -0.2% |
| 2015/12 | 24.96 | -49.3% |
| 2014/12 | 49.25 | +95.5% |
| 2013/12 | 25.19 | +22.4% |
| 2012/12 | 20.59 | +21.9% |
| 2011/12 | 16.9 | -8.8% |
| 2010/12 | 18.53 | - |