| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2025/5 | 15,211 | +8.3% |
| 2024/5 | 14,049 | -0.9% |
| 2023/5 | 14,179 | -13.2% |
| 2022/5 | 16,335 | -21.3% |
| 2021/5 | 20,755 | +12.3% |
| 2020/5 | 18,484 | +4.9% |
| 2019/5 | 17,615 | -3.9% |
| 2018/5 | 18,337 | +20.1% |
| 2017/5 | 15,274 | +9.8% |
| 2016/5 | 13,908 | +11.5% |
| 2015/5 | 12,476 | +4.3% |
| 2014/5 | 11,960 | -2.9% |
| 2013/5 | 12,313 | +5.4% |
| 2012/5 | 11,678 | +14.6% |
| 2011/5 | 10,193 | - |