| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 49,509 | -1.8% |
| 2023/12 | 50,407 | +10.4% |
| 2022/12 | 45,655 | +5.8% |
| 2021/12 | 43,149 | +1.5% |
| 2020/12 | 42,505 | +10.0% |
| 2019/12 | 38,638 | +0.4% |
| 2018/12 | 38,500 | -3.6% |
| 2017/12 | 39,946 | +14.7% |
| 2016/12 | 34,831 | -0.7% |
| 2015/12 | 35,086 | +2.7% |
| 2014/12 | 34,172 | +3.2% |
| 2013/12 | 33,105 | -3.2% |
| 2012/12 | 34,183 | +1.5% |
| 2011/12 | 33,679 | - |