| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2026/1 | 313,793 | +5.0% |
| 2025/1 | 298,925 | +2.6% |
| 2024/1 | 291,377 | +2.9% |
| 2023/1 | 283,190 | +19.1% |
| 2022/1 | 237,775 | +20.9% |
| 2021/1 | 196,739 | +7.9% |
| 2020/1 | 182,358 | +2.1% |
| 2019/1 | 178,564 | +9.3% |
| 2018/1 | 163,302 | +12.9% |
| 2017/1 | 144,651 | +19.9% |
| 2016/1 | 120,665 | +38.3% |
| 2015/1 | 87,275 | +21.3% |
| 2014/1 | 71,930 | +18.4% |
| 2013/1 | 60,755 | - |