| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | -3.6 | -124.8% |
| 2023/12 | 14.6 | -66.1% |
| 2022/12 | 43.1 | -42.1% |
| 2021/12 | 74.5 | +124.4% |
| 2020/12 | 33.2 | -14.0% |
| 2019/12 | 38.6 | -14.5% |
| 2018/12 | 45.2 | +2.8% |
| 2017/12 | 43.9 | +50.6% |
| 2016/12 | 29.2 | -37.4% |
| 2015/12 | 46.6 | -6.4% |
| 2014/12 | 49.8 | +14.4% |
| 2013/12 | 43.5 | +7.6% |
| 2012/12 | 40.5 | -13.0% |
| 2011/12 | 46.6 | +100.1% |
| 2010/12 | 23.3 | - |