| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2024/3 | 26.49 | +86.0% |
| 2023/3 | 14.24 | -1084.5% |
| 2022/3 | -1.45 | -103.7% |
| 2021/3 | 39.4 | +270.0% |
| 2020/3 | 10.65 | -53.4% |
| 2019/3 | 22.84 | -55.2% |
| 2018/3 | 50.99 | +459.6% |
| 2017/3 | 9.11 | -76.4% |
| 2016/3 | 38.68 | -50.5% |
| 2015/3 | 78.17 | +38.8% |
| 2014/3 | 56.32 | -3.4% |
| 2013/3 | 58.33 | +78.1% |
| 2012/3 | 32.74 | -0.2% |
| 2011/3 | 32.82 | -29.4% |
| 2010/3 | 46.48 | - |