| （単位：百万円） | 営業費用 | 前年比（％） |
|---|---|---|
| 2026/5 | 53,212 | +15.1% |
| 2025/5 | 46,228 | +6.3% |
| 2024/5 | 43,477 | +18.8% |
| 2023/5 | 36,601 | +11.8% |
| 2022/5 | 32,733 | +13.5% |
| 2021/5 | 28,830 | +7.3% |
| 2020/5 | 26,871 | -3.0% |
| 2019/5 | 27,708 | +3.5% |
| 2018/5 | 26,767 | +3.5% |
| 2017/5 | 25,871 | +8.2% |
| 2016/5 | 23,916 | -0.2% |
| 2015/5 | 23,959 | +1.6% |
| 2014/5 | 23,573 | +6.5% |
| 2013/5 | 22,133 | - |