| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2025/3 | 0.9 | -97.1% |
| 2024/3 | 31.0 | -10.1% |
| 2023/3 | 34.5 | +58.6% |
| 2022/3 | 21.7 | +248.2% |
| 2021/3 | 6.2 | +118.9% |
| 2020/3 | 2.9 | -25.4% |
| 2019/3 | 3.8 | -79.4% |
| 2018/3 | 18.5 | +603.0% |
| 2017/3 | 2.6 | -79.6% |
| 2016/3 | 12.9 | -19.7% |
| 2015/3 | 16.1 | -28.0% |
| 2014/3 | 22.4 | +132.7% |
| 2013/3 | 9.6 | -64.9% |
| 2012/3 | 27.5 | - |
| 2010/3 | 25.1 | - |