| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 379,266 | -2.3% |
| 2023/12 | 388,270 | +9.2% |
| 2022/12 | 355,715 | +27.4% |
| 2021/12 | 279,213 | +6.0% |
| 2020/12 | 263,405 | +6.7% |
| 2019/12 | 246,763 | +12.2% |
| 2018/12 | 219,951 | +7.0% |
| 2017/12 | 205,556 | +15.9% |
| 2016/12 | 177,359 | -0.1% |
| 2015/12 | 177,469 | +5.3% |
| 2014/12 | 168,592 | +17.7% |
| 2013/12 | 143,219 | +4.5% |
| 2012/12 | 137,115 | +0.9% |
| 2011/12 | 135,938 | - |