| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 29.01 | +2.7% |
| 2023/12 | 28.25 | +6.3% |
| 2022/12 | 26.58 | -36.3% |
| 2021/12 | 41.73 | +70.6% |
| 2020/12 | 24.46 | +6.0% |
| 2019/12 | 23.07 | +0.9% |
| 2018/12 | 22.88 | -15.8% |
| 2017/12 | 27.17 | +16.5% |
| 2016/12 | 23.32 | -5.8% |
| 2015/12 | 24.75 | +5.0% |
| 2014/12 | 23.57 | +13.0% |
| 2013/12 | 20.86 | -4.9% |
| 2012/12 | 21.94 | +16.2% |
| 2011/12 | 18.89 | +13.9% |
| 2010/12 | 16.58 | - |