| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2025/5 | 481,101 | +2.0% |
| 2024/5 | 471,682 | +5.6% |
| 2023/5 | 446,713 | +4.2% |
| 2022/5 | 428,517 | +1.5% |
| 2021/5 | 422,151 | +5.4% |
| 2020/5 | 400,376 | +3.3% |
| 2019/5 | 387,470 | +7.5% |
| 2018/5 | 360,445 | +7.3% |
| 2017/5 | 335,914 | +6.6% |
| 2016/5 | 315,024 | +13.8% |
| 2015/5 | 276,759 | +9.2% |
| 2014/5 | 253,408 | +11.8% |
| 2013/5 | 226,610 | +6.4% |
| 2012/5 | 212,932 | - |