| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2025/5 | 6,669 | -14.0% |
| 2024/5 | 7,755 | +13.1% |
| 2023/5 | 6,857 | +14.0% |
| 2022/5 | 6,017 | -9.2% |
| 2021/5 | 6,628 | -6.4% |
| 2020/5 | 7,083 | -11.3% |
| 2019/5 | 7,986 | +32.9% |
| 2018/5 | 6,009 | +11.9% |
| 2017/5 | 5,369 | +5.7% |
| 2016/5 | 5,078 | +27.1% |
| 2015/5 | 3,997 | +59.1% |
| 2014/5 | 2,512 | +65.7% |
| 2013/5 | 1,516 | +3.0% |
| 2012/5 | 1,471 | +134.6% |
| 2011/5 | 627 | - |