| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 24.42 | -5.0% |
| 2023/12 | 25.7 | -31.5% |
| 2022/12 | 37.5 | +0.5% |
| 2021/12 | 37.3 | +0.1% |
| 2020/12 | 37.26 | +30.8% |
| 2019/12 | 28.47 | +1.7% |
| 2018/12 | 27.99 | -33.1% |
| 2017/12 | 41.86 | +77.2% |
| 2016/12 | 23.62 | -2209.2% |
| 2015/12 | -1.12 | -101.5% |
| 2014/12 | 74.35 | +2095.4% |
| 2013/12 | 3.39 | -26.5% |
| 2012/12 | 4.61 | -101.7% |
| 2011/12 | -265.6 | +376.8% |
| 2010/12 | -55.7 | - |