| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2026/1 | 35,371 | +7.9% |
| 2025/1 | 32,778 | +2.1% |
| 2024/1 | 32,109 | +1.8% |
| 2023/1 | 31,541 | +6.1% |
| 2022/1 | 29,724 | +0.5% |
| 2021/1 | 29,580 | -1.3% |
| 2020/1 | 29,962 | -1.5% |
| 2019/1 | 30,413 | -2.1% |
| 2018/1 | 31,075 | -1.8% |
| 2017/1 | 31,650 | -16.5% |
| 2016/1 | 37,907 | +4.6% |
| 2015/1 | 36,246 | +4.4% |
| 2014/1 | 34,719 | +2.9% |
| 2013/1 | 33,737 | +10.9% |
| 2012/1 | 30,409 | - |