| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 6.3 | -39.8% |
| 2023/12 | 10.5 | -73.8% |
| 2022/12 | 40.1 | -26.6% |
| 2021/12 | 54.7 | +52.6% |
| 2020/12 | 35.8 | +3.3% |
| 2019/12 | 34.7 | -3.2% |
| 2018/12 | 35.8 | -6.3% |
| 2017/12 | 38.2 | +5.2% |
| 2016/12 | 36.3 | +1.5% |
| 2015/12 | 35.8 | -4.5% |
| 2014/12 | 37.5 | -0.8% |
| 2013/12 | 37.8 | +6.7% |
| 2012/12 | 35.4 | +43.2% |
| 2011/12 | 24.7 | -586.0% |
| 2010/12 | -5.1 | - |