| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2025/8 | 5.09 | -3.7% |
| 2024/8 | 5.29 | -32.6% |
| 2023/8 | 7.85 | -6.0% |
| 2022/8 | 8.34 | +46.2% |
| 2021/8 | 5.71 | +194.6% |
| 2020/8 | 1.94 | -34.4% |
| 2019/8 | 2.95 | -2.5% |
| 2018/8 | 3.03 | -19.0% |
| 2017/8 | 3.74 | -37.2% |
| 2016/8 | 5.95 | +20.5% |
| 2015/8 | 4.94 | -18.2% |
| 2014/8 | 6.04 | -12.8% |
| 2013/8 | 6.93 | +3061.9% |
| 2012/8 | 0.22 | -90.3% |
| 2011/8 | 2.27 | - |