| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 14.6 | -10.3% |
| 2023/12 | 16.3 | -59.9% |
| 2022/12 | 40.5 | -18.3% |
| 2021/12 | 49.6 | +161.3% |
| 2020/12 | 19.0 | -43.1% |
| 2019/12 | 33.4 | -7.1% |
| 2018/12 | 35.9 | -2.9% |
| 2017/12 | 37.0 | +3.5% |
| 2016/12 | 35.7 | -0.8% |
| 2015/12 | 36.0 | +13.1% |
| 2014/12 | 31.8 | +16.0% |
| 2013/12 | 27.5 | -2.0% |
| 2012/12 | 28.0 | -19.2% |
| 2011/12 | 34.7 | -3.6% |
| 2010/12 | 36.0 | - |