| （単位：百万円） | 営業費用 | 前年比（％） |
|---|---|---|
| 2026/3 | 626,940 | +13.0% |
| 2025/3 | 554,785 | +0.5% |
| 2024/3 | 552,197 | +12.7% |
| 2023/3 | 489,824 | +1.7% |
| 2022/3 | 481,425 | +2.5% |
| 2021/3 | 469,761 | -4.0% |
| 2020/3 | 489,091 | +3.9% |
| 2019/3 | 470,571 | +5.3% |
| 2018/3 | 446,690 | +8.6% |
| 2017/3 | 411,220 | +5.6% |
| 2016/3 | 389,316 | +8.0% |
| 2015/3 | 360,516 | +4.7% |
| 2014/3 | 344,326 | +19.7% |
| 2013/3 | 287,746 | - |