| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 132,449 | -10.4% |
| 2023/12 | 147,766 | -7.4% |
| 2022/12 | 159,638 | -2.9% |
| 2021/12 | 164,324 | -3.3% |
| 2020/12 | 169,872 | -2.4% |
| 2019/12 | 174,024 | -18.0% |
| 2018/12 | 212,176 | -18.0% |
| 2017/12 | 258,679 | -8.8% |
| 2016/12 | 283,730 | -2.3% |
| 2015/12 | 290,403 | +3.5% |
| 2014/12 | 280,474 | -22.1% |
| 2013/12 | 359,919 | -18.3% |
| 2012/12 | 440,678 | -5.6% |
| 2011/12 | 466,915 | - |