| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 19,019 | -3.6% |
| 2023/12 | 19,730 | -22.1% |
| 2022/12 | 25,324 | -13.4% |
| 2021/12 | 29,233 | -27.3% |
| 2020/12 | 40,230 | -12.9% |
| 2019/12 | 46,174 | -3.4% |
| 2018/12 | 47,792 | +6.8% |
| 2017/12 | 44,746 | +7.0% |
| 2016/12 | 41,806 | -23.5% |
| 2015/12 | 54,620 | +3.3% |
| 2014/12 | 52,866 | -0.5% |
| 2013/12 | 53,144 | +33.9% |
| 2012/12 | 39,684 | +31.8% |
| 2011/12 | 30,118 | - |