| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 11.86 | +22.4% |
| 2023/12 | 9.69 | -61.2% |
| 2022/12 | 24.96 | -34.7% |
| 2021/12 | 38.21 | +108.3% |
| 2020/12 | 18.35 | -41.3% |
| 2019/12 | 31.24 | -2.9% |
| 2018/12 | 32.18 | +1.0% |
| 2017/12 | 31.86 | +3.6% |
| 2016/12 | 30.74 | -5.5% |
| 2015/12 | 32.51 | +74.0% |
| 2014/12 | 18.68 | -26.8% |
| 2013/12 | 25.53 | +125.8% |
| 2012/12 | 11.31 | -39.4% |
| 2011/12 | 18.66 | +22.6% |
| 2010/12 | 15.22 | - |