| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2025/5 | 63,508 | +16.6% |
| 2024/5 | 54,466 | +4.7% |
| 2023/5 | 52,030 | +0.8% |
| 2022/5 | 51,608 | -1.4% |
| 2021/5 | 52,324 | +2.5% |
| 2020/5 | 51,030 | -1.3% |
| 2019/5 | 51,728 | -5.2% |
| 2018/5 | 54,562 | +3.0% |
| 2017/5 | 52,949 | +9.1% |
| 2016/5 | 48,512 | +22.8% |
| 2015/5 | 39,506 | +3.4% |
| 2014/5 | 38,221 | +14.6% |
| 2013/5 | 33,357 | +12.7% |
| 2012/5 | 29,607 | +10.4% |
| 2011/5 | 26,825 | - |