| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2025/8 | 19,445 | -8.0% |
| 2024/8 | 21,140 | +1.6% |
| 2023/8 | 20,802 | +7.2% |
| 2022/8 | 19,399 | +41.7% |
| 2021/8 | 13,691 | -3.9% |
| 2020/8 | 14,252 | -15.3% |
| 2019/8 | 16,818 | +1.7% |
| 2018/8 | 16,541 | -11.6% |
| 2017/8 | 18,705 | -13.3% |
| 2016/8 | 21,566 | -1.9% |
| 2015/8 | 21,986 | -6.6% |
| 2014/8 | 23,534 | -1.1% |
| 2013/8 | 23,787 | +1.3% |
| 2012/8 | 23,478 | +4.0% |
| 2011/8 | 22,567 | - |