| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 28.5 | +30.6% |
| 2023/12 | 21.8 | -16.9% |
| 2022/12 | 26.3 | -20.2% |
| 2021/12 | 32.9 | +10.0% |
| 2020/12 | 29.9 | +9.6% |
| 2019/12 | 27.3 | -2.6% |
| 2018/12 | 28.0 | +2.2% |
| 2017/12 | 27.4 | +7.3% |
| 2016/12 | 25.5 | +5.7% |
| 2015/12 | 24.2 | +130.6% |
| 2014/12 | 10.5 | -24.2% |
| 2013/12 | 13.8 | +601.0% |
| 2012/12 | 2.0 | -89.5% |
| 2011/12 | 18.9 | -3.8% |
| 2010/12 | 19.6 | - |