| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2025/5 | 10,473 | +10.6% |
| 2024/5 | 9,469 | +6.1% |
| 2023/5 | 8,924 | +12.3% |
| 2022/5 | 7,947 | +4.0% |
| 2021/5 | 7,643 | -1.6% |
| 2020/5 | 7,771 | +7.7% |
| 2019/5 | 7,215 | +14.7% |
| 2018/5 | 6,289 | +13.0% |
| 2017/5 | 5,568 | -0.9% |
| 2016/5 | 5,619 | -3.4% |
| 2015/5 | 5,814 | +10.2% |
| 2014/5 | 5,276 | +0.9% |
| 2013/5 | 5,231 | +12.6% |
| 2012/5 | 4,647 | -4.8% |
| 2011/5 | 4,883 | - |