| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2025/9 | 17,695 | +0.3% |
| 2024/9 | 17,640 | +13.0% |
| 2023/9 | 15,612 | -4.7% |
| 2022/9 | 16,377 | -6.3% |
| 2021/9 | 17,477 | +30.3% |
| 2020/9 | 13,417 | +3.7% |
| 2019/9 | 12,942 | +0.3% |
| 2018/9 | 12,906 | +18.2% |
| 2017/9 | 10,923 | -82.4% |
| 2016/9 | 62,175 | +55.3% |
| 2015/9 | 40,024 | -0.0% |
| 2014/9 | 40,043 | -13.6% |
| 2013/9 | 46,365 | -26.2% |
| 2012/9 | 62,789 | - |