| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 31.85 | - |
| 2022/12 | 13.14 | -3656.2% |
| 2021/12 | -0.37 | -64.0% |
| 2020/12 | -1.03 | -104.0% |
| 2019/12 | 25.44 | +312.0% |
| 2018/12 | 6.18 | -52.5% |
| 2017/12 | 13.0 | -1114.6% |
| 2016/12 | -1.28 | -104.9% |
| 2015/12 | 26.14 | +1400.2% |
| 2014/12 | 1.74 | -91.3% |
| 2013/12 | 20.02 | -7.1% |
| 2012/12 | 21.56 | -37.7% |
| 2011/12 | 34.61 | -10.9% |
| 2010/12 | 38.83 | - |