| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 0.77 | -87.2% |
| 2023/12 | 6.04 | -79.9% |
| 2022/12 | 30.01 | -21.2% |
| 2021/12 | 38.06 | +104.3% |
| 2020/12 | 18.63 | +171.9% |
| 2019/12 | 6.85 | -53.0% |
| 2018/12 | 14.58 | -16.5% |
| 2017/12 | 17.46 | +1481.7% |
| 2016/12 | 1.1 | -75.7% |
| 2015/12 | 4.54 | -74.8% |
| 2014/12 | 18.06 | +21.9% |
| 2013/12 | 14.81 | +30.9% |
| 2012/12 | 11.31 | +26.7% |
| 2011/12 | 8.93 | +7.3% |
| 2010/12 | 8.32 | - |