| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2025/5 | 37,499 | +2.7% |
| 2024/5 | 36,511 | +12.8% |
| 2023/5 | 32,369 | +4.7% |
| 2022/5 | 30,903 | -2.9% |
| 2021/5 | 31,810 | +6.2% |
| 2020/5 | 29,944 | -0.6% |
| 2019/5 | 30,118 | +5.3% |
| 2018/5 | 28,612 | +9.4% |
| 2017/5 | 26,161 | -9.3% |
| 2016/5 | 28,833 | -0.7% |
| 2015/5 | 29,045 | +6.9% |
| 2014/5 | 27,168 | -1.6% |
| 2013/5 | 27,616 | +5.6% |
| 2012/5 | 26,141 | -0.7% |
| 2011/5 | 26,336 | - |