| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 1.6 | -72.2% |
| 2023/12 | 5.7 | -40.8% |
| 2022/12 | 9.7 | +13.2% |
| 2021/12 | 8.5 | +61.8% |
| 2020/12 | 5.3 | -24.6% |
| 2019/12 | 7.0 | +9.3% |
| 2018/12 | 6.4 | -4.6% |
| 2017/12 | 6.7 | -2.1% |
| 2016/12 | 6.9 | -10.4% |
| 2015/12 | 7.7 | -14.8% |
| 2014/12 | 9.0 | +60.7% |
| 2013/12 | 5.6 | -17.6% |
| 2012/12 | 6.8 | -12.1% |
| 2012/1 | 7.7 | -0.6% |
| 2011/1 | 7.7 | - |