| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 30.9 | -6.6% |
| 2023/12 | 33.1 | -30.3% |
| 2022/12 | 47.5 | -18.4% |
| 2021/12 | 58.2 | +29.2% |
| 2020/12 | 45.1 | +5.9% |
| 2019/12 | 42.5 | -6.7% |
| 2018/12 | 45.6 | -0.2% |
| 2017/12 | 45.7 | -3.5% |
| 2016/12 | 47.3 | -1.4% |
| 2015/12 | 48.0 | +3.2% |
| 2014/12 | 46.6 | +14.0% |
| 2013/12 | 40.8 | +8.9% |
| 2012/12 | 37.5 | +7.6% |
| 2011/12 | 34.9 | +8.0% |
| 2010/12 | 32.3 | - |