| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 28.0 | -8.6% |
| 2023/12 | 30.6 | -34.8% |
| 2022/12 | 47.0 | -30.4% |
| 2021/12 | 67.5 | +109.3% |
| 2020/12 | 32.3 | -37.0% |
| 2019/12 | 51.2 | -4.0% |
| 2018/12 | 53.3 | -13.6% |
| 2017/12 | 61.7 | +25.3% |
| 2016/12 | 49.2 | -16.1% |
| 2015/12 | 58.7 | +16.7% |
| 2014/12 | 50.3 | -23.0% |
| 2013/12 | 65.4 | +21.5% |
| 2012/12 | 53.8 | +24.0% |
| 2011/12 | 43.4 | +107.3% |
| 2010/12 | 20.9 | - |