| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 21.5 | +14.8% |
| 2023/12 | 18.7 | +129.0% |
| 2022/12 | 8.2 | -5.6% |
| 2021/12 | 8.7 | -59.9% |
| 2020/12 | 21.6 | -47371.6% |
| 2019/12 | 0.0 | -100.2% |
| 2018/12 | 26.7 | +6.5% |
| 2017/12 | 25.1 | +22.0% |
| 2016/12 | 20.6 | -64.0% |
| 2015/12 | 57.1 | +93.5% |
| 2014/12 | 29.5 | -22.6% |
| 2013/12 | 38.1 | -28.9% |
| 2012/12 | 53.6 | -0.4% |
| 2011/12 | 53.9 | - |