| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 28.2 | +46.6% |
| 2023/12 | 19.2 | -19.5% |
| 2022/12 | 23.8 | +9.7% |
| 2021/12 | 21.7 | -26.2% |
| 2020/12 | 29.5 | +24.9% |
| 2019/12 | 23.6 | +52.6% |
| 2018/12 | 15.5 | +60.9% |
| 2017/12 | 9.6 | -39.6% |
| 2016/12 | 15.9 | +13.7% |
| 2015/12 | 14.0 | -8.6% |
| 2014/12 | 15.3 | -40.0% |
| 2013/12 | 25.5 | +6.5% |
| 2012/12 | 23.9 | +8.6% |
| 2011/12 | 22.0 | -22.1% |
| 2010/12 | 28.3 | - |