| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2025/5 | 27,053 | -34.7% |
| 2024/5 | 41,437 | +17.5% |
| 2023/5 | 35,267 | +25.6% |
| 2022/5 | 28,077 | +3.9% |
| 2021/5 | 27,021 | +13.2% |
| 2020/5 | 23,865 | -14.4% |
| 2019/5 | 27,877 | +4.8% |
| 2018/5 | 26,594 | +18.3% |
| 2017/5 | 22,480 | +4.1% |
| 2016/5 | 21,598 | -1.5% |
| 2015/5 | 21,918 | +5.6% |
| 2014/5 | 20,747 | +18.1% |
| 2013/5 | 17,574 | -9.2% |
| 2012/5 | 19,348 | - |