| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2025/6 | 139,128 | -2.3% |
| 2024/6 | 142,417 | -6.0% |
| 2023/6 | 151,578 | -0.2% |
| 2022/6 | 151,807 | +10.6% |
| 2021/6 | 137,272 | +0.1% |
| 2020/6 | 137,182 | -15.4% |
| 2019/6 | 162,068 | -2.1% |
| 2018/6 | 165,492 | +9.5% |
| 2017/6 | 151,164 | -7.6% |
| 2016/6 | 163,586 | -0.6% |
| 2015/6 | 164,571 | +2.3% |
| 2014/6 | 160,944 | -9.7% |
| 2013/6 | 178,295 | -11.0% |
| 2012/6 | 200,259 | - |