| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2025/5 | 32,994 | +5.6% |
| 2024/5 | 31,253 | +6.7% |
| 2023/5 | 29,284 | +10.0% |
| 2022/5 | 26,615 | +11.3% |
| 2021/5 | 23,915 | -5.5% |
| 2020/5 | 25,313 | -4.3% |
| 2019/5 | 26,459 | +3.7% |
| 2018/5 | 25,507 | +6.0% |
| 2017/5 | 24,054 | -3.4% |
| 2016/5 | 24,903 | +2.2% |
| 2015/5 | 24,362 | +5.7% |
| 2014/5 | 23,043 | +3.5% |
| 2013/5 | 22,273 | -1.4% |
| 2012/5 | 22,581 | +3.7% |
| 2011/5 | 21,776 | - |