| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 529,918 | -0.0% |
| 2023/12 | 529,941 | +4.8% |
| 2022/12 | 505,719 | +3.5% |
| 2021/12 | 488,791 | +9.5% |
| 2020/12 | 446,266 | +1.2% |
| 2019/12 | 440,909 | +7.5% |
| 2018/12 | 410,302 | -16.8% |
| 2017/12 | 492,876 | +2.3% |
| 2016/12 | 481,928 | -5.1% |
| 2015/12 | 507,926 | +10.8% |
| 2014/12 | 458,431 | +10.6% |
| 2013/12 | 414,317 | +4.5% |
| 2012/12 | 396,604 | +0.8% |
| 2011/12 | 393,270 | - |