| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 28,356 | -2.7% |
| 2023/12 | 29,141 | +3.8% |
| 2022/12 | 28,072 | -14.3% |
| 2021/12 | 32,756 | -4.5% |
| 2020/12 | 34,299 | +1.5% |
| 2019/12 | 33,782 | +4.5% |
| 2018/12 | 32,317 | +13.6% |
| 2017/12 | 28,449 | -0.2% |
| 2016/12 | 28,495 | +0.4% |
| 2015/12 | 28,377 | -0.8% |
| 2014/12 | 28,595 | -7.2% |
| 2013/12 | 30,802 | -5.2% |
| 2012/12 | 32,483 | -19.4% |
| 2011/12 | 40,287 | - |