| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 571,929 | +1.1% |
| 2023/12 | 565,900 | +5.4% |
| 2022/12 | 536,780 | +16.1% |
| 2021/12 | 462,542 | +3.9% |
| 2020/12 | 445,360 | +5.1% |
| 2019/12 | 423,945 | +9.2% |
| 2018/12 | 388,193 | +3.5% |
| 2017/12 | 375,019 | +5.0% |
| 2016/12 | 357,167 | -1.5% |
| 2015/12 | 362,565 | +11.3% |
| 2014/12 | 325,826 | +11.2% |
| 2013/12 | 293,102 | +1.7% |
| 2012/12 | 288,318 | +10.3% |
| 2011/12 | 261,369 | - |