| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 430,108 | -1.7% |
| 2023/12 | 437,518 | +5.4% |
| 2022/12 | 415,265 | +5.5% |
| 2021/12 | 393,589 | +5.3% |
| 2020/12 | 373,807 | -1.4% |
| 2019/12 | 379,227 | +2.0% |
| 2018/12 | 371,624 | +3.9% |
| 2017/12 | 357,691 | +2.0% |
| 2016/12 | 350,578 | +0.7% |
| 2015/12 | 348,104 | +6.5% |
| 2014/12 | 326,899 | -1.2% |
| 2013/12 | 330,969 | -1.0% |
| 2012/12 | 334,288 | -4.0% |
| 2011/12 | 348,193 | +0.6% |
| 2010/12 | 346,236 | - |