| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 118,688 | +0.8% |
| 2023/12 | 117,797 | -12.3% |
| 2022/12 | 134,296 | -20.9% |
| 2021/12 | 169,871 | -0.6% |
| 2020/12 | 170,845 | -3.0% |
| 2019/12 | 176,098 | +2.0% |
| 2018/12 | 172,647 | +7.6% |
| 2017/12 | 160,469 | +1.9% |
| 2016/12 | 157,408 | -4.3% |
| 2015/12 | 164,528 | -4.4% |
| 2014/12 | 172,122 | +4.8% |
| 2013/12 | 164,258 | -5.6% |
| 2012/12 | 173,968 | -5.1% |
| 2011/12 | 183,248 | - |