| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 42.3 | +8.5% |
| 2023/12 | 39.0 | +8.6% |
| 2022/12 | 35.9 | -26.7% |
| 2021/12 | 49.0 | +65.3% |
| 2020/12 | 29.6 | -23.1% |
| 2019/12 | 38.5 | +3.0% |
| 2018/12 | 37.4 | +3.8% |
| 2017/12 | 36.0 | -0.2% |
| 2016/12 | 36.1 | +10.0% |
| 2015/12 | 32.8 | +3.8% |
| 2014/12 | 31.6 | +17.9% |
| 2013/12 | 26.8 | -10.0% |
| 2012/12 | 29.8 | +8.3% |
| 2011/12 | 27.5 | +13.6% |
| 2010/12 | 24.2 | - |