| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2025/6 | 11,438 | -0.2% |
| 2024/6 | 11,464 | -0.7% |
| 2023/6 | 11,549 | -15.1% |
| 2022/6 | 13,601 | +0.8% |
| 2021/6 | 13,489 | +96.1% |
| 2020/6 | 6,879 | -12.7% |
| 2019/6 | 7,881 | -7.8% |
| 2018/6 | 8,549 | +12.0% |
| 2017/6 | 7,636 | -21.1% |
| 2016/6 | 9,681 | -25.3% |
| 2015/6 | 12,959 | -12.7% |
| 2014/6 | 14,841 | -22.3% |
| 2013/6 | 19,106 | -10.5% |
| 2012/6 | 21,351 | - |