| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 24.6 | -31.6% |
| 2023/12 | 36.0 | -33.8% |
| 2022/12 | 54.3 | +32.8% |
| 2021/12 | 40.9 | +148.9% |
| 2020/12 | 16.4 | -62.3% |
| 2019/12 | 43.6 | +36.6% |
| 2018/12 | 31.9 | -346.4% |
| 2017/12 | -12.9 | -77.3% |
| 2016/12 | -57.1 | +313.6% |
| 2015/12 | -13.8 | -1025.4% |
| 2014/12 | 1.5 | -94.6% |
| 2013/12 | 27.8 | +40.8% |
| 2012/12 | 19.7 | -17.7% |
| 2011/12 | 24.0 | +2.1% |
| 2010/12 | 23.5 | - |