| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2023/12 | 18,748 | -28.8% |
| 2022/12 | 26,316 | +47.6% |
| 2021/12 | 17,832 | -26.7% |
| 2020/12 | 24,323 | -12.2% |
| 2019/12 | 27,717 | +27.4% |
| 2018/12 | 21,764 | +18.8% |
| 2017/12 | 18,315 | +34.0% |
| 2016/12 | 13,669 | -19.6% |
| 2015/12 | 16,995 | -7.2% |
| 2014/12 | 18,308 | -13.1% |
| 2013/12 | 21,075 | +33.9% |
| 2012/12 | 15,740 | +11.5% |
| 2011/12 | 14,117 | - |