| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2026/5 | 50,650 | 0.0% |
| 2025/5 | 50,643 | +8.0% |
| 2024/5 | 46,895 | +4.0% |
| 2023/5 | 45,101 | +3.8% |
| 2022/5 | 43,464 | -10.8% |
| 2021/5 | 48,715 | +8.3% |
| 2020/5 | 44,991 | +9.4% |
| 2019/5 | 41,135 | +3.2% |
| 2018/5 | 39,876 | +5.0% |
| 2017/5 | 37,984 | +4.4% |
| 2016/5 | 36,371 | +6.8% |
| 2015/5 | 34,059 | +9.2% |
| 2014/5 | 31,196 | +7.7% |
| 2013/5 | 28,956 | +6.6% |
| 2012/5 | 27,151 | - |