| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 19,132 | -9.0% |
| 2023/12 | 21,030 | -17.3% |
| 2022/12 | 25,421 | +18.2% |
| 2021/12 | 21,507 | +13.3% |
| 2020/12 | 18,986 | -9.9% |
| 2019/12 | 21,065 | -2.3% |
| 2018/12 | 21,565 | +13.7% |
| 2017/12 | 18,968 | -10.3% |
| 2016/12 | 21,149 | -0.9% |
| 2015/12 | 21,346 | -15.3% |
| 2014/12 | 25,215 | +58.5% |
| 2013/12 | 15,911 | -28.1% |
| 2012/12 | 22,142 | -11.5% |
| 2011/12 | 25,018 | - |