| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2025/5 | 40,539 | +26.1% |
| 2024/5 | 32,140 | +3.6% |
| 2023/5 | 31,025 | +2.9% |
| 2022/5 | 30,158 | -9.0% |
| 2021/5 | 33,143 | -15.2% |
| 2020/5 | 39,071 | -5.1% |
| 2019/5 | 41,172 | -3.2% |
| 2018/5 | 42,527 | +4.6% |
| 2017/5 | 40,668 | +2.3% |
| 2016/5 | 39,746 | +0.3% |
| 2015/5 | 39,617 | +13.3% |
| 2014/5 | 34,957 | +14.3% |
| 2013/5 | 30,575 | -20.7% |
| 2012/5 | 38,570 | +1.8% |
| 2011/5 | 37,893 | - |