| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | -2.4 | +217.0% |
| 2023/12 | -0.8 | -101.6% |
| 2022/12 | 46.1 | -20.6% |
| 2021/12 | 58.0 | +64.9% |
| 2020/12 | 35.2 | -17.6% |
| 2019/12 | 42.7 | -14.6% |
| 2018/12 | 50 | +10.9% |
| 2017/12 | 45.1 | -8.9% |
| 2016/12 | 49.5 | +7.4% |
| 2015/12 | 46.1 | -5.2% |
| 2014/12 | 48.6 | +1.3% |
| 2013/12 | 48.0 | +18.9% |
| 2012/12 | 40.4 | +70.7% |
| 2011/12 | 23.6 | +73.6% |
| 2010/12 | 13.6 | - |