| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 172,591 | +5.1% |
| 2023/12 | 164,143 | -1.1% |
| 2022/12 | 165,986 | +1.8% |
| 2021/12 | 163,046 | +5.4% |
| 2020/12 | 154,731 | +9.2% |
| 2019/12 | 141,631 | +5.2% |
| 2018/12 | 134,682 | +2.2% |
| 2017/12 | 131,817 | -1.3% |
| 2016/12 | 133,563 | +1.8% |
| 2015/12 | 131,227 | -1.2% |
| 2014/12 | 132,813 | -4.8% |
| 2013/12 | 139,536 | -5.0% |
| 2012/12 | 146,919 | -14.6% |
| 2011/12 | 172,121 | - |