| （単位：百万円） | 経常（税引前）利益 | 前年比（％） |
|---|---|---|
| 2026/5 | 920 | -35.2% |
| 2025/5 | 1,420 | +2.9% |
| 2024/5 | 1,380 | +38.1% |
| 2023/5 | 999 | +74.0% |
| 2022/5 | 574 | -22.6% |
| 2021/5 | 742 | +233.1% |
| 2020/5 | 222 | -172.4% |
| 2019/5 | -308 | -179.6% |
| 2018/5 | 386 | -28.6% |
| 2017/5 | 541 | +34.2% |
| 2016/5 | 403 | +30.7% |
| 2015/5 | 308 | -51.3% |
| 2014/5 | 634 | +163.9% |
| 2013/5 | 240 | +245.1% |
| 2012/5 | 69 | -53.6% |
| 2011/5 | 150 | - |