| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 24.2 | -9.4% |
| 2023/12 | 26.7 | -42.3% |
| 2022/12 | 46.3 | +22.0% |
| 2021/12 | 38.0 | +42.4% |
| 2020/12 | 26.7 | -32.5% |
| 2019/12 | 39.5 | -4.2% |
| 2018/12 | 41.2 | +1.5% |
| 2017/12 | 40.6 | +16.2% |
| 2016/12 | 34.9 | -19.1% |
| 2015/12 | 43.2 | +0.1% |
| 2014/12 | 43.2 | -6.0% |
| 2013/12 | 45.9 | +7.4% |
| 2012/12 | 42.7 | +19.1% |
| 2011/12 | 35.9 | +118.6% |
| 2010/12 | 16.4 | - |