| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 1.5 | -96.9% |
| 2023/12 | 48.5 | +164.2% |
| 2022/12 | 18.4 | +7.5% |
| 2021/12 | 17.1 | -401.9% |
| 2020/12 | -5.7 | -100.9% |
| 2019/12 | 662.3 | +860.8% |
| 2018/12 | 68.9 | +69.9% |
| 2017/12 | 40.6 | +455.3% |
| 2016/12 | 7.3 | -85.1% |
| 2015/12 | 49.1 | +180.5% |
| 2014/12 | 17.5 | -6.8% |
| 2013/12 | 18.8 | -252.7% |
| 2012/12 | -12.3 | +25.3% |
| 2011/12 | -9.8 | - |