| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 183,149 | -2.6% |
| 2023/12 | 188,133 | -1.6% |
| 2022/12 | 191,171 | +2.3% |
| 2021/12 | 186,957 | -0.3% |
| 2020/12 | 187,476 | -21.6% |
| 2019/12 | 239,183 | -23.0% |
| 2018/12 | 310,662 | -26.9% |
| 2017/12 | 424,771 | -7.7% |
| 2016/12 | 460,192 | -32.6% |
| 2015/12 | 682,876 | +33.1% |
| 2014/12 | 512,914 | -0.8% |
| 2013/12 | 516,948 | -39.7% |
| 2012/12 | 857,649 | +10.6% |
| 2011/12 | 775,359 | - |