| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 431,730 | -8.9% |
| 2023/12 | 474,013 | -6.2% |
| 2022/12 | 505,133 | +10.9% |
| 2021/12 | 455,673 | +5.3% |
| 2020/12 | 432,809 | -6.5% |
| 2019/12 | 462,772 | +38.1% |
| 2018/12 | 335,150 | +8.1% |
| 2017/12 | 310,124 | +5.0% |
| 2016/12 | 295,321 | +0.1% |
| 2015/12 | 294,899 | +0.4% |
| 2014/12 | 293,849 | +6.5% |
| 2013/12 | 275,817 | +5.2% |
| 2012/12 | 262,271 | +6.3% |
| 2011/12 | 246,619 | - |