| （単位：百万円） | 営業費用 | 前年比（％） |
|---|---|---|
| 2026/3 | 10,548 | -38.8% |
| 2025/3 | 17,229 | +3.9% |
| 2024/3 | 16,582 | +6.1% |
| 2023/3 | 15,625 | -1.2% |
| 2022/3 | 15,813 | -0.7% |
| 2021/3 | 15,921 | +23.1% |
| 2020/3 | 12,934 | +0.7% |
| 2019/3 | 12,848 | +5.1% |
| 2018/3 | 12,224 | +4.5% |
| 2017/3 | 11,703 | +12.0% |
| 2016/3 | 10,448 | +3.9% |
| 2015/3 | 10,054 | -29.7% |
| 2014/3 | 14,295 | +0.7% |
| 2013/3 | 14,197 | - |