| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 406,366 | +3.5% |
| 2023/12 | 392,746 | +5.1% |
| 2022/12 | 373,662 | +12.4% |
| 2021/12 | 332,529 | +21.4% |
| 2020/12 | 273,832 | -3.7% |
| 2019/12 | 284,321 | +25.8% |
| 2018/12 | 225,969 | +10.6% |
| 2017/12 | 204,359 | +6.4% |
| 2016/12 | 192,122 | -2.5% |
| 2015/12 | 197,138 | +14.7% |
| 2014/12 | 171,838 | -1.0% |
| 2013/12 | 173,649 | +8.9% |
| 2012/12 | 159,459 | +9.4% |
| 2011/12 | 145,713 | - |