| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2024/12 | 18,606 | -2.4% |
| 2023/12 | 19,058 | -3.5% |
| 2022/12 | 19,757 | +13.6% |
| 2021/12 | 17,389 | +5.7% |
| 2020/12 | 16,457 | +5.8% |
| 2019/12 | 15,552 | +1.9% |
| 2018/12 | 15,266 | -7.3% |
| 2017/12 | 16,467 | +2.9% |
| 2016/12 | 15,998 | +55.7% |
| 2015/12 | 10,278 | -7.9% |
| 2015/3 | 12,439 | +11.5% |
| 2014/3 | 11,161 | +2.5% |
| 2013/3 | 10,894 | +3.4% |
| 2012/3 | 10,531 | +4.2% |
| 2011/3 | 10,110 | - |