| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 19.7 | +49.4% |
| 2023/12 | 13.2 | -62.7% |
| 2022/12 | 35.3 | +122.2% |
| 2021/12 | 15.9 | -57.7% |
| 2020/12 | 37.5 | -24.2% |
| 2019/12 | 49.6 | +13.0% |
| 2018/12 | 43.9 | +4.9% |
| 2017/12 | 41.8 | -3.0% |
| 2016/12 | 43.1 | -2.7% |
| 2015/12 | 44.3 | +8.9% |
| 2014/12 | 40.7 | +13.7% |
| 2013/12 | 35.8 | +6.4% |
| 2012/12 | 33.6 | -0.8% |
| 2011/12 | 33.9 | +30.0% |
| 2010/12 | 26.1 | - |