| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 30.5 | +1.6% |
| 2023/12 | 30.0 | -3.3% |
| 2022/12 | 31.0 | -64.2% |
| 2021/12 | 86.7 | +51.9% |
| 2020/12 | 57.1 | +78.9% |
| 2019/12 | 31.9 | +10.4% |
| 2018/12 | 28.9 | -15.5% |
| 2017/12 | 34.2 | -11.1% |
| 2016/12 | 38.5 | -27.2% |
| 2015/12 | 52.8 | +6.7% |
| 2014/12 | 49.5 | +27.5% |
| 2013/12 | 38.8 | +56.3% |
| 2012/12 | 24.8 | +58.9% |
| 2011/12 | 15.6 | -17.5% |
| 2010/12 | 18.9 | - |