| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 5.73 | -47.1% |
| 2023/12 | 10.83 | -12.9% |
| 2022/12 | 12.44 | +52.6% |
| 2021/12 | 8.15 | +20.1% |
| 2020/12 | 6.79 | -27.1% |
| 2019/12 | 9.31 | -17.9% |
| 2018/12 | 11.34 | +40.2% |
| 2017/12 | 8.08 | +89.3% |
| 2016/12 | 4.27 | +1859.8% |
| 2015/12 | 0.22 | -92.1% |
| 2014/12 | 2.77 | +23.1% |
| 2013/12 | 2.25 | -53.5% |
| 2012/12 | 4.84 | -23.8% |
| 2011/12 | 6.35 | - |