| （単位：千） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 57,160 | -79.9% |
| 2023/12 | 284,903 | -68.2% |
| 2022/12 | 895,870 | +145.7% |
| 2021/12 | 364,620 | - |
| 2019/12 | 162,746 | +53.5% |
| 2018/12 | 105,991 | -35.0% |
| 2017/12 | 163,027 | -46.9% |
| 2016/12 | 306,891 | +1.1% |
| 2015/12 | 303,604 | +117.8% |
| 2014/12 | 139,404 | -73.6% |
| 2013/12 | 527,340 | -22.2% |
| 2012/12 | 677,528 | +42.0% |
| 2011/12 | 477,283 | - |