| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2025/5 | 11,523 | +0.1% |
| 2024/5 | 11,512 | +5.9% |
| 2023/5 | 10,870 | +7.8% |
| 2022/5 | 10,084 | +7.3% |
| 2021/5 | 9,402 | -6.3% |
| 2020/5 | 10,032 | 0.0% |
| 2019/5 | 10,031 | +10.6% |
| 2018/5 | 9,070 | +8.5% |
| 2017/5 | 8,356 | -0.9% |
| 2016/5 | 8,435 | -2.3% |
| 2015/5 | 8,638 | +1.7% |
| 2014/5 | 8,494 | -2.3% |
| 2013/5 | 8,691 | -5.1% |
| 2012/5 | 9,158 | +0.8% |
| 2011/5 | 9,084 | - |