| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2025/1 | 389,780 | +7.5% |
| 2024/1 | 362,509 | +20.2% |
| 2023/1 | 301,516 | +25.1% |
| 2022/1 | 241,044 | +9.2% |
| 2021/1 | 220,774 | -2.2% |
| 2020/1 | 225,722 | +12.0% |
| 2019/1 | 201,537 | -0.8% |
| 2018/1 | 203,203 | -3.9% |
| 2017/1 | 211,372 | -4.2% |
| 2016/1 | 220,524 | -19.3% |
| 2015/1 | 273,271 | -6.2% |
| 2014/1 | 291,202 | +17.6% |
| 2013/1 | 247,557 | +27.7% |
| 2012/1 | 193,860 | - |