| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 17.2 | -52.2% |
| 2023/12 | 36.1 | +1308.0% |
| 2022/12 | 2.6 | -95.3% |
| 2021/12 | 54.6 | -37.7% |
| 2020/12 | 87.7 | +225.8% |
| 2019/12 | 26.9 | -21.5% |
| 2018/12 | 34.3 | +181.4% |
| 2017/12 | 12.2 | +109.7% |
| 2016/12 | 5.8 | -59.9% |
| 2015/12 | 14.5 | +40.9% |
| 2014/12 | 10.3 | +180.5% |
| 2013/12 | 3.7 | -0.9% |
| 2012/12 | 3.7 | -59.9% |
| 2011/12 | 9.2 | -12.7% |
| 2010/12 | 10.5 | - |