| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 401,871 | +3.0% |
| 2023/12 | 390,002 | +9.3% |
| 2022/12 | 356,966 | +1.1% |
| 2021/12 | 353,143 | -0.5% |
| 2020/12 | 354,845 | +13.7% |
| 2019/12 | 312,208 | +17.7% |
| 2018/12 | 265,224 | +20.1% |
| 2017/12 | 220,860 | +5.8% |
| 2016/12 | 208,680 | +7.6% |
| 2015/12 | 193,923 | +20.0% |
| 2014/12 | 161,633 | +0.4% |
| 2013/12 | 160,998 | +7.2% |
| 2012/12 | 150,120 | +7.0% |
| 2011/12 | 140,295 | - |