| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 14.2 | +72.3% |
| 2023/12 | 8.2 | -67.4% |
| 2022/12 | 25.3 | +8.9% |
| 2021/12 | 23.2 | -239.4% |
| 2020/12 | -16.7 | -256.9% |
| 2019/12 | 10.6 | +1859.7% |
| 2018/12 | 0.5 | -81.7% |
| 2017/12 | 3.0 | -2195.0% |
| 2016/12 | -0.1 | -102.5% |
| 2015/12 | 5.6 | -65.5% |
| 2014/12 | 16.3 | +19.5% |
| 2013/12 | 13.6 | -3.9% |
| 2012/12 | 14.2 | -956.4% |
| 2011/12 | -1.7 | -107.1% |
| 2010/12 | 23.2 | - |