| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2025/1 | 30,297 | +10.4% |
| 2024/1 | 27,451 | -9.1% |
| 2023/1 | 30,213 | -0.3% |
| 2022/1 | 30,315 | +8.0% |
| 2021/1 | 28,067 | +19.9% |
| 2020/1 | 23,409 | +3.5% |
| 2019/1 | 22,626 | +0.9% |
| 2018/1 | 22,431 | +1.8% |
| 2017/1 | 22,026 | -4.3% |
| 2016/1 | 23,019 | +13.1% |
| 2015/1 | 20,344 | +21.9% |
| 2014/1 | 16,689 | -26.2% |
| 2013/1 | 22,615 | -33.5% |
| 2012/1 | 33,987 | - |