| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2023/9 | 574,000 | +9.9% |
| 2022/9 | 522,100 | -0.8% |
| 2021/9 | 526,400 | -2.2% |
| 2020/9 | 538,200 | +41.7% |
| 2019/9 | 379,700 | +0.2% |
| 2018/9 | 378,900 | +10.0% |
| 2017/9 | 344,400 | -0.6% |
| 2016/9 | 346,500 | +4.8% |
| 2015/9 | 330,600 | -20.3% |
| 2014/9 | 414,700 | +1.4% |
| 2013/9 | 409,100 | +70.4% |
| 2012/9 | 240,100 | +13.6% |
| 2011/9 | 211,300 | +20.5% |
| 2010/9 | 175,400 | - |