| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2025/5 | 104,791 | +1.3% |
| 2024/5 | 103,478 | +9.1% |
| 2023/5 | 94,828 | +16.1% |
| 2022/5 | 81,713 | +2.5% |
| 2021/5 | 79,702 | -12.9% |
| 2020/5 | 91,512 | -7.2% |
| 2019/5 | 98,617 | +0.8% |
| 2018/5 | 97,872 | +1.9% |
| 2017/5 | 96,038 | -1.5% |
| 2016/5 | 97,529 | +6.9% |
| 2015/5 | 91,244 | +3.4% |
| 2014/5 | 88,266 | +7.8% |
| 2013/5 | 81,898 | +8.7% |
| 2012/5 | 75,324 | +6.3% |
| 2011/5 | 70,891 | - |