| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2024/10 | 18,414 | -2.8% |
| 2023/10 | 18,954 | -9.3% |
| 2022/10 | 20,906 | -20.8% |
| 2021/10 | 26,407 | -12.3% |
| 2020/10 | 30,127 | -3.4% |
| 2019/10 | 31,186 | -3.3% |
| 2018/10 | 32,258 | +3.2% |
| 2017/10 | 31,257 | -1.5% |
| 2016/10 | 31,746 | -4.4% |
| 2015/10 | 33,195 | -2.1% |
| 2014/10 | 33,896 | -2.5% |
| 2013/10 | 34,782 | +5.0% |
| 2012/10 | 33,115 | -0.9% |
| 2011/10 | 33,403 | - |