| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2025/6 | 26,900 | +4.5% |
| 2024/6 | 25,733 | +12.6% |
| 2023/6 | 22,859 | +6.5% |
| 2022/6 | 21,467 | +5.3% |
| 2021/6 | 20,392 | -1.4% |
| 2020/6 | 20,685 | +5.5% |
| 2019/6 | 19,604 | +4.0% |
| 2018/6 | 18,845 | -1.2% |
| 2017/6 | 19,064 | +1.9% |
| 2016/6 | 18,705 | +6.3% |
| 2015/6 | 17,589 | +2.0% |
| 2014/6 | 17,241 | +4.4% |
| 2013/6 | 16,513 | +4.7% |
| 2012/6 | 15,777 | -2.5% |
| 2011/6 | 16,189 | - |