| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2023/12 | 126.52 | +80.5% |
| 2022/12 | 70.11 | +42.3% |
| 2021/12 | 49.27 | +375.1% |
| 2020/12 | 10.37 | -119.1% |
| 2019/12 | -54.44 | -210.4% |
| 2018/12 | 49.32 | -138.5% |
| 2017/12 | -127.98 | +403.6% |
| 2016/12 | -25.42 | -462.1% |
| 2015/12 | 7.02 | -41.2% |
| 2014/12 | 11.94 | +54.3% |
| 2013/12 | 7.74 | -150.5% |
| 2012/12 | -15.31 | -3206.1% |
| 2011/12 | 0.49 | - |