| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2025/5 | 309,240 | -13.3% |
| 2024/5 | 356,733 | -4.3% |
| 2023/5 | 372,579 | +1.8% |
| 2022/5 | 366,096 | +9.4% |
| 2021/5 | 334,540 | +2.9% |
| 2020/5 | 324,984 | -0.6% |
| 2019/5 | 326,984 | +5.0% |
| 2018/5 | 311,410 | +11.1% |
| 2017/5 | 280,395 | +6.3% |
| 2016/5 | 263,728 | +16.6% |
| 2015/5 | 226,227 | +8.4% |
| 2014/5 | 208,660 | +0.5% |
| 2013/5 | 207,685 | +14.4% |
| 2012/5 | 181,498 | +1.5% |
| 2011/5 | 178,806 | - |