| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 56.87 | +27.4% |
| 2023/12 | 44.64 | +51.6% |
| 2022/12 | 29.44 | +100.3% |
| 2021/12 | 14.7 | -44.2% |
| 2020/12 | 26.34 | +763.6% |
| 2019/12 | 3.05 | -91.7% |
| 2018/12 | 36.83 | -4.2% |
| 2017/12 | 38.43 | -54.7% |
| 2016/12 | 84.88 | +167.3% |
| 2015/12 | 31.76 | +0.2% |
| 2014/12 | 31.7 | +11.7% |
| 2013/12 | 28.37 | +7.8% |
| 2012/12 | 26.31 | +12.2% |
| 2011/12 | 23.45 | -0.2% |
| 2010/12 | 23.49 | - |