| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 25.74 | +1.3% |
| 2023/12 | 25.42 | +25.3% |
| 2022/12 | 20.29 | -44.7% |
| 2021/12 | 36.71 | +4471.0% |
| 2020/12 | 0.8 | -97.8% |
| 2019/12 | 36.62 | -17.1% |
| 2018/12 | 44.14 | -5.0% |
| 2017/12 | 46.47 | -22.4% |
| 2016/12 | 59.86 | -12.3% |
| 2015/12 | 68.27 | -4.3% |
| 2014/12 | 71.32 | +2.9% |
| 2013/12 | 69.29 | +17.8% |
| 2012/12 | 58.84 | +22.9% |
| 2011/12 | 47.88 | +33.0% |
| 2010/12 | 35.99 | - |