| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2025/5 | 8,186 | +12.7% |
| 2024/5 | 7,264 | -5.3% |
| 2023/5 | 7,673 | +2.5% |
| 2022/5 | 7,483 | -3.5% |
| 2021/5 | 7,754 | +13.2% |
| 2020/5 | 6,850 | -3.9% |
| 2019/5 | 7,128 | +7.4% |
| 2018/5 | 6,640 | +8.7% |
| 2017/5 | 6,109 | +13.6% |
| 2016/5 | 5,376 | +17.9% |
| 2015/5 | 4,559 | +5.6% |
| 2014/5 | 4,317 | +20.6% |
| 2013/5 | 3,580 | +10.6% |
| 2012/5 | 3,236 | +29.7% |
| 2011/5 | 2,495 | - |