| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 31.1 | -28.0% |
| 2023/12 | 43.2 | +2.0% |
| 2022/12 | 42.3 | +28.5% |
| 2021/12 | 32.9 | -10.5% |
| 2020/12 | 36.8 | +36.4% |
| 2019/12 | 27.0 | -45.5% |
| 2018/12 | 49.5 | +65.5% |
| 2017/12 | 29.9 | +36.3% |
| 2016/12 | 22.0 | -4.7% |
| 2015/12 | 23.1 | -8.7% |
| 2014/12 | 25.2 | +29.9% |
| 2013/12 | 19.4 | -15.6% |
| 2012/12 | 23.0 | -56.6% |
| 2011/12 | 53.1 | +38.0% |
| 2010/12 | 38.5 | - |