| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 35.92 | -6.7% |
| 2023/12 | 38.51 | -7.3% |
| 2022/12 | 41.56 | +2261.0% |
| 2021/12 | 1.76 | -102.1% |
| 2020/12 | -84.91 | +484.4% |
| 2019/12 | -14.53 | -146.1% |
| 2018/12 | 31.53 | -203.6% |
| 2017/12 | -30.44 | -69.2% |
| 2016/12 | -98.72 | +112.6% |
| 2015/12 | -46.43 | -210.0% |
| 2014/12 | 42.21 | +247.5% |
| 2013/12 | 12.15 | -318.9% |
| 2012/12 | -5.55 | -126.2% |
| 2011/12 | 21.14 | -26.6% |
| 2010/12 | 28.81 | - |