| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 27.2 | +36.2% |
| 2023/12 | 20.0 | -49.8% |
| 2022/12 | 39.8 | -13.5% |
| 2021/12 | 46.1 | +13.1% |
| 2020/12 | 40.7 | -19.3% |
| 2019/12 | 50.5 | -40.2% |
| 2018/12 | 84.3 | -8.7% |
| 2017/12 | 92.3 | -13.8% |
| 2016/12 | 107.1 | -10.5% |
| 2015/12 | 119.7 | +19.4% |
| 2014/12 | 100.3 | +7.7% |
| 2013/12 | 93.1 | +20.8% |
| 2012/12 | 77.1 | +22.8% |
| 2011/12 | 62.7 | -17.8% |
| 2010/12 | 76.3 | - |