| （単位：十億円） | 営業利益 | 前年比（％） |
|---|---|---|
| 2025/3 | 1,407 | +16.4% |
| 2024/3 | 1,209 | +0.1% |
| 2023/3 | 1,208 | +0.5% |
| 2022/3 | 1,202 | +23.7% |
| 2021/3 | 972 | +15.0% |
| 2020/3 | 845 | -5.5% |
| 2019/3 | 894 | +21.7% |
| 2018/3 | 735 | +154.5% |
| 2017/3 | 289 | -1.9% |
| 2016/3 | 294 | +329.2% |
| 2015/3 | 69 | +158.7% |
| 2014/3 | 26 | -88.5% |
| 2013/3 | 230 | -442.0% |
| 2012/3 | -67 | -133.7% |
| 2011/3 | 200 | +528.9% |
| 2010/3 | 32 | - |