| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 56.0 | +15.0% |
| 2023/12 | 48.7 | +88.1% |
| 2022/12 | 25.9 | -54.0% |
| 2021/12 | 56.3 | +51.9% |
| 2020/12 | 37.0 | -23.1% |
| 2019/12 | 48.2 | -16.8% |
| 2018/12 | 57.9 | +1.6% |
| 2017/12 | 57.0 | -6.0% |
| 2016/12 | 60.6 | -6.5% |
| 2015/12 | 64.8 | -15.6% |
| 2014/12 | 76.8 | +8.1% |
| 2013/12 | 71.0 | +423.5% |
| 2012/12 | 13.6 | -76.1% |
| 2011/12 | 56.9 | +25.4% |
| 2010/12 | 45.4 | - |