| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 4.5 | -21.8% |
| 2023/12 | 5.8 | +0.7% |
| 2022/12 | 5.8 | -21.1% |
| 2021/12 | 7.3 | +25.2% |
| 2020/12 | 5.8 | +10.0% |
| 2019/12 | 5.3 | -2.6% |
| 2018/12 | 5.4 | +16.3% |
| 2017/12 | 4.7 | +239.2% |
| 2016/12 | 1.4 | -68.1% |
| 2015/12 | 4.3 | -42.6% |
| 2014/12 | 7.5 | +9.3% |
| 2013/12 | 6.9 | +1.1% |
| 2012/12 | 6.8 | -10.8% |
| 2011/12 | 7.6 | -3.8% |
| 2010/12 | 7.9 | - |