| （単位：百万） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 9,367 | +14.7% |
| 2023/12 | 8,167 | +48.9% |
| 2022/12 | 5,485 | +14.5% |
| 2021/12 | 4,789 | +8.9% |
| 2020/12 | 4,399 | -5.8% |
| 2019/12 | 4,668 | +4.1% |
| 2018/12 | 4,485 | +19.3% |
| 2017/12 | 3,761 | +2.9% |
| 2016/12 | 3,654 | -9.2% |
| 2015/12 | 4,024 | -6.0% |
| 2014/12 | 4,281 | -9.2% |
| 2013/12 | 4,713 | -0.7% |
| 2012/12 | 4,746 | +12.7% |
| 2011/12 | 4,210 | - |