| （単位：百万） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 19,050 | +8.4% |
| 2023/12 | 17,568 | +19.5% |
| 2022/12 | 14,705 | +8.1% |
| 2021/12 | 13,607 | +14.1% |
| 2020/12 | 11,925 | +29.1% |
| 2019/12 | 9,236 | +16.2% |
| 2018/12 | 7,945 | +16.8% |
| 2017/12 | 6,804 | +20.4% |
| 2016/12 | 5,650 | +8.6% |
| 2015/12 | 5,205 | +13.3% |
| 2014/12 | 4,594 | +20.4% |
| 2013/12 | 3,816 | +27.0% |
| 2012/12 | 3,005 | +40.3% |
| 2011/12 | 2,142 | - |