| （単位：十億円） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/3 | 3,341 | -2.3% |
| 2023/3 | 3,420 | +8.7% |
| 2022/3 | 3,146 | +2.5% |
| 2021/3 | 3,069 | -8.7% |
| 2020/3 | 3,364 | +12.7% |
| 2019/3 | 2,985 | +8.8% |
| 2018/3 | 2,744 | -5.1% |
| 2017/3 | 2,892 | -11.7% |
| 2016/3 | 3,275 | +20.1% |
| 2015/3 | 2,727 | +10.5% |
| 2014/3 | 2,468 | +3.8% |
| 2013/3 | 2,379 | +2.4% |
| 2012/3 | 2,323 | -5.6% |
| 2011/3 | 2,460 | -1.9% |
| 2010/3 | 2,508 | - |