| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2023/12 | 9.6 | -53.1% |
| 2022/12 | 20.5 | -1060.8% |
| 2021/12 | -2.1 | -99.5% |
| 2020/12 | -401.1 | -2849.4% |
| 2019/12 | 14.6 | +21.9% |
| 2018/12 | 12.0 | -27.0% |
| 2017/12 | 16.4 | -15.2% |
| 2016/12 | 19.3 | +77.7% |
| 2015/12 | 10.9 | +10.5% |
| 2014/12 | 9.8 | -13.1% |
| 2013/12 | 11.3 | -8.8% |
| 2012/12 | 12.4 | +51.9% |
| 2011/12 | 8.2 | -381.9% |
| 2010/12 | -2.9 | - |