| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 25,108 | -23.2% |
| 2023/12 | 32,694 | +1.9% |
| 2022/12 | 32,089 | +29.6% |
| 2021/12 | 24,759 | +17.3% |
| 2020/12 | 21,102 | -2.3% |
| 2019/12 | 21,592 | +8.0% |
| 2018/12 | 19,984 | +0.7% |
| 2017/12 | 19,848 | +6.7% |
| 2016/12 | 18,599 | -9.3% |
| 2015/12 | 20,510 | -19.5% |
| 2014/12 | 25,483 | +37.9% |
| 2013/12 | 18,475 | -9.3% |
| 2012/12 | 20,380 | +15.6% |
| 2011/12 | 17,637 | - |