| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 18.9 | -17.0% |
| 2023/12 | 22.8 | -50.9% |
| 2022/12 | 46.4 | -22.4% |
| 2021/12 | 59.8 | +122.8% |
| 2020/12 | 26.9 | -28.0% |
| 2019/12 | 37.3 | -8.4% |
| 2018/12 | 40.7 | -1.4% |
| 2017/12 | 41.3 | +8.8% |
| 2016/12 | 38.0 | +0.2% |
| 2015/12 | 37.9 | +16.3% |
| 2014/12 | 32.6 | +19.8% |
| 2013/12 | 27.2 | +767.5% |
| 2012/12 | 3.1 | -160.1% |
| 2011/12 | -5.2 | -91.9% |
| 2010/12 | -64.3 | - |