| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2025/12 | 30.2 | +1.9% |
| 2024/12 | 29.7 | -20.4% |
| 2023/12 | 37.3 | -23.2% |
| 2022/12 | 48.5 | -17.5% |
| 2021/12 | 58.8 | +96.4% |
| 2020/12 | 29.9 | -25.6% |
| 2019/12 | 40.2 | -11.4% |
| 2018/12 | 45.4 | +9.7% |
| 2017/12 | 41.4 | +5.7% |
| 2016/12 | 39.2 | +12.6% |
| 2015/12 | 34.8 | +13.2% |
| 2014/12 | 30.7 | +11.7% |
| 2013/12 | 27.5 | +6.4% |
| 2012/12 | 25.8 | +301.7% |
| 2011/12 | 6.4 | - |