| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | -18.1 | +991.0% |
| 2023/12 | -1.7 | -150.1% |
| 2022/12 | 3.3 | -53.2% |
| 2021/12 | 7.1 | +20397.9% |
| 2020/12 | 0.0 | -100.8% |
| 2019/12 | -4.1 | -157.6% |
| 2018/12 | 7.2 | -85.1% |
| 2017/12 | 48.4 | +273.2% |
| 2016/12 | 13.0 | -21.6% |
| 2015/12 | 16.5 | -12.1% |
| 2014/12 | 18.8 | -13611.0% |
| 2013/12 | -0.1 | -101.6% |
| 2012/12 | 8.8 | -812.2% |
| 2011/12 | -1.2 | - |