| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 44,300 | -9.8% |
| 2023/12 | 49,107 | +2.9% |
| 2022/12 | 47,715 | +9.3% |
| 2021/12 | 43,662 | -0.4% |
| 2020/12 | 43,822 | -14.3% |
| 2019/12 | 51,156 | +6.3% |
| 2018/12 | 48,132 | +6.4% |
| 2017/12 | 45,231 | +31.3% |
| 2016/12 | 34,458 | +6.3% |
| 2015/12 | 32,407 | -2.8% |
| 2014/12 | 33,343 | -6.9% |
| 2013/12 | 35,828 | -10.5% |
| 2012/12 | 40,033 | -3.1% |
| 2011/12 | 41,293 | - |