| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2025/5 | 292,940 | +8.5% |
| 2024/5 | 270,077 | +11.5% |
| 2023/5 | 242,243 | +8.1% |
| 2022/5 | 224,150 | +1.2% |
| 2021/5 | 221,551 | +4.5% |
| 2020/5 | 212,059 | +15.6% |
| 2019/5 | 183,462 | +11.8% |
| 2018/5 | 164,035 | +5.6% |
| 2017/5 | 155,379 | +7.1% |
| 2016/5 | 145,118 | +9.0% |
| 2015/5 | 133,109 | +6.6% |
| 2014/5 | 124,811 | +8.9% |
| 2013/5 | 114,610 | +17.4% |
| 2012/5 | 97,603 | +9.2% |
| 2011/5 | 89,364 | - |