| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2025/5 | 4,442 | -5.4% |
| 2024/5 | 4,696 | +11.5% |
| 2023/5 | 4,210 | +4.7% |
| 2022/5 | 4,019 | -7.5% |
| 2021/5 | 4,347 | +21.1% |
| 2020/5 | 3,588 | +5.1% |
| 2019/5 | 3,414 | -12.3% |
| 2018/5 | 3,893 | -19.5% |
| 2017/5 | 4,838 | -12.5% |
| 2016/5 | 5,530 | +8.1% |
| 2015/5 | 5,117 | +13.5% |
| 2014/5 | 4,509 | +9.1% |
| 2013/5 | 4,134 | +48.1% |
| 2012/5 | 2,791 | +17.7% |
| 2011/5 | 2,371 | - |