| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2023/12 | -1.3 | -89.6% |
| 2022/12 | -12.55 | -60.3% |
| 2021/12 | -31.6 | -81.8% |
| 2020/12 | -173.93 | +324.3% |
| 2019/12 | -40.99 | +95.9% |
| 2018/12 | -20.92 | +1349.8% |
| 2017/12 | -1.44 | -95.1% |
| 2016/12 | -29.26 | +85.7% |
| 2015/12 | -15.76 | -186.1% |
| 2014/12 | 18.3 | -31.0% |
| 2013/12 | 26.51 | -13.8% |
| 2012/12 | 30.74 | -13.4% |
| 2011/12 | 35.49 | -11.7% |
| 2010/12 | 40.21 | - |