| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2026/3 | 4.6 | +37.7% |
| 2025/3 | 3.3 | +4.9% |
| 2024/3 | 3.2 | -28.0% |
| 2023/3 | 4.4 | +12.0% |
| 2022/3 | 3.9 | +8.8% |
| 2021/3 | 3.6 | -9.3% |
| 2020/3 | 4.0 | +169.0% |
| 2019/3 | 1.5 | -71.5% |
| 2018/3 | 5.2 | +442.3% |
| 2017/3 | 1.0 | -124.7% |
| 2016/3 | -3.9 | +48.7% |
| 2015/3 | -2.6 | -160.1% |
| 2014/3 | 4.3 | -12.7% |
| 2013/3 | 4.9 | -40.6% |
| 2012/8 | 8.3 | +71.5% |
| 2011/8 | 4.8 | - |