| （単位：千円） | 営業費用 | 前年比（％） |
|---|---|---|
| 2025/12 | 727,647 | -2.3% |
| 2024/12 | 744,992 | +4.9% |
| 2023/12 | 709,883 | -6.1% |
| 2022/12 | 755,660 | +0.9% |
| 2021/12 | 748,771 | +108.8% |
| 2020/12 | 358,539 | -26.3% |
| 2020/7 | 689,062 | +41.6% |
| 2019/7 | 486,562 | +8.1% |
| 2018/7 | 450,204 | +47.6% |
| 2017/7 | 304,930 | +4.4% |
| 2016/7 | 292,148 | -12.1% |
| 2015/7 | 332,203 | -0.4% |
| 2014/7 | 333,526 | - |