| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2025/5 | 23,715 | +4.3% |
| 2024/5 | 22,739 | +16.6% |
| 2023/5 | 19,504 | +9.6% |
| 2022/5 | 17,792 | -3.5% |
| 2021/5 | 18,437 | +4.0% |
| 2020/5 | 17,723 | +1.3% |
| 2019/5 | 17,491 | +4.6% |
| 2018/5 | 16,729 | +7.1% |
| 2017/5 | 15,626 | +5.2% |
| 2016/5 | 14,854 | +5.5% |
| 2015/5 | 14,082 | +3.8% |
| 2014/5 | 13,573 | +5.9% |
| 2013/5 | 12,820 | +4.8% |
| 2012/5 | 12,238 | +6.2% |
| 2011/5 | 11,526 | - |