| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2026/1 | 20,246 | +1.8% |
| 2025/1 | 19,890 | +2.5% |
| 2024/1 | 19,411 | -4.6% |
| 2023/1 | 20,351 | -2.1% |
| 2022/1 | 20,781 | +12.4% |
| 2021/1 | 18,486 | +6.5% |
| 2020/1 | 17,358 | -2.3% |
| 2019/1 | 17,759 | +1.5% |
| 2018/1 | 17,490 | +1.5% |
| 2017/1 | 17,224 | -3.5% |
| 2016/1 | 17,853 | -3.4% |
| 2015/1 | 18,485 | +2.3% |
| 2014/1 | 18,070 | +7.9% |
| 2013/1 | 16,751 | +11.9% |
| 2012/1 | 14,970 | - |