| （単位：百万円） | 営業利益 | 前年比（％） |
|---|---|---|
| 2024/3 | 360,713 | +14.9% |
| 2023/3 | 313,988 | +3.9% |
| 2022/3 | 302,083 | +16.7% |
| 2021/3 | 258,814 | -4.0% |
| 2020/3 | 269,681 | -18.1% |
| 2019/3 | 329,438 | -2.0% |
| 2018/3 | 336,195 | +2.1% |
| 2017/3 | 329,224 | +14.4% |
| 2016/3 | 287,741 | +12.0% |
| 2015/3 | 256,829 | +27.8% |
| 2014/3 | 200,978 | +33.5% |
| 2013/3 | 150,598 | +20.3% |
| 2012/3 | 125,195 | +69.3% |
| 2011/3 | 73,960 | +150.1% |
| 2010/3 | 29,571 | - |