| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2025/5 | 91,101 | -2.9% |
| 2024/5 | 93,784 | +15.6% |
| 2023/5 | 81,113 | +23.5% |
| 2022/5 | 65,661 | +19.1% |
| 2021/5 | 55,145 | +8.7% |
| 2020/5 | 50,716 | -8.0% |
| 2019/5 | 55,146 | -5.5% |
| 2018/5 | 58,339 | +3.9% |
| 2017/5 | 56,160 | +0.9% |
| 2016/5 | 55,642 | +10.9% |
| 2015/5 | 50,175 | +16.1% |
| 2014/5 | 43,232 | -1.4% |
| 2013/5 | 43,866 | +27.2% |
| 2012/5 | 34,478 | +2.4% |
| 2011/5 | 33,679 | - |