| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 52,569 | -11.7% |
| 2023/12 | 59,553 | -1.3% |
| 2022/12 | 60,319 | -7.6% |
| 2021/12 | 65,272 | -13.7% |
| 2020/12 | 75,629 | -32.9% |
| 2019/12 | 112,647 | +26.4% |
| 2018/12 | 89,139 | -7.8% |
| 2017/12 | 96,652 | -35.6% |
| 2016/12 | 150,139 | +3.5% |
| 2015/12 | 145,016 | -18.4% |
| 2014/12 | 177,682 | +15.7% |
| 2013/12 | 153,575 | +5.2% |
| 2012/12 | 146,052 | -2.7% |
| 2011/12 | 150,117 | - |