| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 485,690 | -9.7% |
| 2023/12 | 537,919 | -10.8% |
| 2022/12 | 603,213 | +23.3% |
| 2021/12 | 489,296 | +3.0% |
| 2020/12 | 475,235 | +10.8% |
| 2019/12 | 429,002 | +3.3% |
| 2018/12 | 415,415 | -3.4% |
| 2017/12 | 430,169 | +5.6% |
| 2016/12 | 407,298 | +1.4% |
| 2015/12 | 401,662 | -1.8% |
| 2014/12 | 409,005 | -1.6% |
| 2013/12 | 415,731 | +20.7% |
| 2012/12 | 344,502 | +4.4% |
| 2011/12 | 329,850 | +1.3% |
| 2010/12 | 325,649 | - |