| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 33.12 | -12.4% |
| 2023/12 | 37.8 | -32.9% |
| 2022/12 | 56.37 | -28.4% |
| 2021/12 | 78.78 | +155.5% |
| 2020/12 | 30.83 | -27.9% |
| 2019/12 | 42.79 | -3.8% |
| 2018/12 | 44.5 | -5.1% |
| 2017/12 | 46.92 | +7.0% |
| 2016/12 | 43.84 | +3.2% |
| 2015/12 | 42.46 | -4.7% |
| 2014/12 | 44.57 | +2.4% |
| 2013/12 | 43.53 | +2.3% |
| 2012/12 | 42.56 | +1023.9% |
| 2011/12 | 3.79 | - |