| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | -39.0 | +893.0% |
| 2023/12 | -3.9 | +2870.6% |
| 2022/12 | -0.1 | -103.1% |
| 2021/12 | 4.3 | +127.1% |
| 2020/12 | 1.9 | +24.5% |
| 2019/12 | 1.5 | -69.6% |
| 2018/12 | 5.0 | -1472.8% |
| 2017/12 | -0.4 | -106.4% |
| 2016/12 | 5.7 | -4.5% |
| 2015/12 | 6.0 | -22.9% |
| 2014/12 | 7.7 | +7.6% |
| 2013/12 | 7.2 | +481.5% |
| 2012/12 | 1.2 | -57.1% |
| 2011/12 | 2.9 | - |