| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2026/5 | 24,479 | +4.1% |
| 2025/5 | 23,506 | +5.7% |
| 2024/5 | 22,243 | +5.3% |
| 2023/5 | 21,115 | +7.4% |
| 2022/5 | 19,651 | +4.3% |
| 2021/5 | 18,843 | +5.0% |
| 2020/5 | 17,953 | +5.3% |
| 2019/5 | 17,052 | +7.4% |
| 2018/5 | 15,874 | +9.2% |
| 2017/5 | 14,542 | +0.2% |
| 2016/5 | 14,511 | +3.2% |
| 2015/5 | 14,064 | +5.7% |
| 2014/5 | 13,306 | +2.3% |
| 2013/5 | 13,007 | +0.7% |
| 2012/5 | 12,912 | - |