| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 19.85 | -24.5% |
| 2023/12 | 26.3 | -41.1% |
| 2022/12 | 44.63 | -13.0% |
| 2021/12 | 51.31 | -1.9% |
| 2020/12 | 52.31 | +10.2% |
| 2019/12 | 47.46 | +0.2% |
| 2018/12 | 47.38 | -1.8% |
| 2017/12 | 48.26 | +3.3% |
| 2016/12 | 46.72 | -0.5% |
| 2015/12 | 46.96 | -5.3% |
| 2014/12 | 49.57 | +4.0% |
| 2013/12 | 47.68 | +27.9% |
| 2012/12 | 37.28 | +507.4% |
| 2011/12 | 6.14 | -64.4% |
| 2010/12 | 17.22 | - |