| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2025/5 | 57,701 | +2.0% |
| 2024/5 | 56,572 | +3.1% |
| 2023/5 | 54,889 | +15.1% |
| 2022/5 | 47,696 | +5.1% |
| 2021/5 | 45,368 | +6.6% |
| 2020/5 | 42,560 | -14.4% |
| 2019/5 | 49,728 | -5.2% |
| 2018/5 | 52,441 | -3.8% |
| 2017/5 | 54,530 | -6.3% |
| 2016/5 | 58,226 | -1.3% |
| 2015/5 | 59,020 | -1.8% |
| 2014/5 | 60,086 | -3.0% |
| 2013/5 | 61,924 | +3.4% |
| 2012/5 | 59,861 | +7.6% |
| 2011/5 | 55,630 | - |