| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2025/5 | 62,336 | +3.1% |
| 2024/5 | 60,469 | +0.8% |
| 2023/5 | 60,015 | +4.1% |
| 2022/5 | 57,643 | +6.2% |
| 2021/5 | 54,274 | +6.3% |
| 2020/5 | 51,072 | +6.9% |
| 2019/5 | 47,798 | +4.7% |
| 2018/5 | 45,664 | +14.0% |
| 2017/5 | 40,051 | +25.8% |
| 2016/5 | 31,845 | +76.3% |
| 2015/5 | 18,068 | +20.8% |
| 2014/5 | 14,952 | -1.6% |
| 2013/5 | 15,196 | -13.3% |
| 2012/5 | 17,519 | +10.1% |
| 2011/5 | 15,906 | - |