| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2025/5 | 74,881 | +6.2% |
| 2024/5 | 70,506 | +8.8% |
| 2023/5 | 64,826 | +16.4% |
| 2022/5 | 55,693 | +2.9% |
| 2021/5 | 54,133 | -10.8% |
| 2020/5 | 60,660 | -3.6% |
| 2019/5 | 62,912 | +3.9% |
| 2018/5 | 60,564 | +7.6% |
| 2017/5 | 56,300 | +4.6% |
| 2016/5 | 53,824 | +7.9% |
| 2015/5 | 49,885 | +8.5% |
| 2014/5 | 45,986 | +6.9% |
| 2013/5 | 42,999 | +4.0% |
| 2012/5 | 41,354 | +6.5% |
| 2011/5 | 38,835 | - |