| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 28.8 | +42.5% |
| 2023/12 | 20.2 | +1.3% |
| 2022/12 | 20.0 | +82.5% |
| 2021/12 | 10.9 | -1383.9% |
| 2020/12 | -0.9 | -109.2% |
| 2019/12 | 9.3 | +234.9% |
| 2018/12 | 2.8 | -59.1% |
| 2017/12 | 6.8 | +26.6% |
| 2016/12 | 5.3 | -152.6% |
| 2015/12 | -10.2 | +891.4% |
| 2014/12 | -1.0 | -76.6% |
| 2013/12 | -4.4 | -76.4% |
| 2012/12 | -18.6 | +3.9% |
| 2011/12 | -17.9 | -42.1% |
| 2010/12 | -30.9 | - |