| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 44,184 | +2.3% |
| 2023/12 | 43,181 | +5.0% |
| 2022/12 | 41,128 | +0.5% |
| 2021/12 | 40,943 | +6.5% |
| 2020/12 | 38,438 | -0.5% |
| 2019/12 | 38,641 | -5.2% |
| 2018/12 | 40,754 | +0.9% |
| 2017/12 | 40,391 | -2.8% |
| 2016/12 | 41,542 | -1.0% |
| 2015/12 | 41,945 | -5.6% |
| 2014/12 | 44,451 | -13.3% |
| 2013/12 | 51,262 | -12.7% |
| 2012/12 | 58,719 | -29.9% |
| 2011/12 | 83,708 | - |