| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 24.63 | -31.6% |
| 2023/12 | 35.98 | -33.8% |
| 2022/12 | 54.33 | +32.8% |
| 2021/12 | 40.93 | +148.9% |
| 2020/12 | 16.44 | -62.3% |
| 2019/12 | 43.57 | +36.6% |
| 2018/12 | 31.91 | -346.4% |
| 2017/12 | -12.95 | -77.3% |
| 2016/12 | -57.07 | +313.6% |
| 2015/12 | -13.8 | -1025.4% |
| 2014/12 | 1.49 | -94.6% |
| 2013/12 | 27.8 | +40.8% |
| 2012/12 | 19.75 | -17.7% |
| 2011/12 | 24.0 | +2.1% |
| 2010/12 | 23.52 | - |