| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 39.2 | +15.9% |
| 2023/12 | 33.9 | -25.1% |
| 2022/12 | 45.2 | +8.6% |
| 2021/12 | 41.6 | +13.2% |
| 2020/12 | 36.8 | -18.7% |
| 2019/12 | 45.2 | +0.4% |
| 2018/12 | 45.0 | +6.3% |
| 2017/12 | 42.4 | +5.8% |
| 2016/12 | 40.0 | +12.0% |
| 2015/12 | 35.7 | +2.3% |
| 2014/12 | 34.9 | +11.3% |
| 2013/12 | 31.4 | +5.6% |
| 2012/12 | 29.7 | +0.1% |
| 2011/12 | 29.7 | +61.8% |
| 2010/12 | 18.3 | - |