| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 35.9 | -6.7% |
| 2023/12 | 38.5 | -7.3% |
| 2022/12 | 41.6 | +2261.0% |
| 2021/12 | 1.8 | -102.1% |
| 2020/12 | -84.9 | +484.4% |
| 2019/12 | -14.5 | -146.1% |
| 2018/12 | 31.5 | -203.6% |
| 2017/12 | -30.4 | -69.2% |
| 2016/12 | -98.7 | +112.6% |
| 2015/12 | -46.4 | -210.0% |
| 2014/12 | 42.2 | +247.5% |
| 2013/12 | 12.1 | -318.9% |
| 2012/12 | -5.5 | -126.2% |
| 2011/12 | 21.1 | -26.6% |
| 2010/12 | 28.8 | - |