| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 34.9 | -17.7% |
| 2023/12 | 42.3 | -15.5% |
| 2022/12 | 50.1 | +3.0% |
| 2021/12 | 48.6 | +16.9% |
| 2020/12 | 41.6 | +4.5% |
| 2019/12 | 39.8 | -6.0% |
| 2018/12 | 42.4 | +4.2% |
| 2017/12 | 40.6 | +10.2% |
| 2016/12 | 36.9 | +13.7% |
| 2015/12 | 32.4 | +9.2% |
| 2014/12 | 29.7 | +31.6% |
| 2013/12 | 22.6 | +49.6% |
| 2012/12 | 15.1 | -29.9% |
| 2011/12 | 21.5 | -34.0% |
| 2010/12 | 32.6 | - |