| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2025/8 | 14,456 | -3.1% |
| 2024/8 | 14,925 | -3.5% |
| 2023/8 | 15,471 | -6.2% |
| 2022/8 | 16,486 | -12.2% |
| 2021/8 | 18,782 | -11.8% |
| 2020/8 | 21,305 | -12.6% |
| 2019/8 | 24,389 | -11.0% |
| 2018/8 | 27,388 | -8.5% |
| 2017/8 | 29,920 | -7.0% |
| 2016/8 | 32,155 | -3.5% |
| 2015/8 | 33,336 | +0.2% |
| 2014/8 | 33,284 | -3.8% |
| 2013/8 | 34,608 | -4.2% |
| 2012/8 | 36,119 | -3.7% |
| 2011/8 | 37,512 | - |