| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 16,964 | -20.6% |
| 2023/12 | 21,369 | +23.4% |
| 2022/12 | 17,317 | -4.4% |
| 2021/12 | 18,105 | +3.0% |
| 2020/12 | 17,579 | -1.1% |
| 2019/12 | 17,769 | -36.8% |
| 2018/12 | 28,131 | +80.4% |
| 2017/12 | 15,592 | -3.9% |
| 2016/12 | 16,230 | -17.9% |
| 2015/12 | 19,775 | -15.6% |
| 2014/12 | 23,424 | -8.3% |
| 2013/12 | 25,555 | +5.9% |
| 2012/12 | 24,133 | -12.6% |
| 2011/12 | 27,616 | - |