| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2026/1 | 13,356 | +1.5% |
| 2025/1 | 13,162 | +1.1% |
| 2024/1 | 13,021 | +2.4% |
| 2023/1 | 12,714 | -5.6% |
| 2022/1 | 13,465 | +15.2% |
| 2021/1 | 11,688 | -30.2% |
| 2020/1 | 16,741 | -3.7% |
| 2019/1 | 17,381 | +2.5% |
| 2018/1 | 16,952 | +0.3% |
| 2017/1 | 16,900 | -3.5% |
| 2016/1 | 17,505 | +0.5% |
| 2015/1 | 17,411 | -0.7% |
| 2014/1 | 17,526 | +1.1% |
| 2013/1 | 17,342 | -4.4% |
| 2012/1 | 18,133 | - |