| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2026/3 | 8.2 | +141.9% |
| 2025/3 | 3.4 | -58.8% |
| 2024/3 | 8.2 | -46.5% |
| 2023/3 | 15.4 | +27.7% |
| 2022/3 | 12.0 | +2269.3% |
| 2021/3 | 0.5 | -81.0% |
| 2020/3 | 2.7 | -71.1% |
| 2019/3 | 9.2 | +113.1% |
| 2018/3 | 4.3 | +111.6% |
| 2017/3 | 2.1 | -67.5% |
| 2016/3 | 6.3 | -40.8% |
| 2015/3 | 10.7 | +388.1% |
| 2014/3 | 2.2 | -46.4% |
| 2013/3 | 4.1 | -39.4% |
| 2012/3 | 6.7 | - |