| （単位：百万円） | 営業費用 | 前年比（％） |
|---|---|---|
| 2026/3 | 170,012 | +10.1% |
| 2025/3 | 154,391 | +10.1% |
| 2024/3 | 140,220 | +14.2% |
| 2023/3 | 122,769 | +8.4% |
| 2022/3 | 113,288 | +10.4% |
| 2021/3 | 102,622 | -0.1% |
| 2020/3 | 102,675 | +4.2% |
| 2019/3 | 98,542 | +2.1% |
| 2018/3 | 96,502 | +5.8% |
| 2017/3 | 91,191 | +5.2% |
| 2016/3 | 86,671 | +4.0% |
| 2015/3 | 83,318 | +4.1% |
| 2014/3 | 80,067 | +0.7% |
| 2013/3 | 79,534 | - |