| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2025/1 | 32,947 | +17.3% |
| 2024/1 | 28,099 | +3.5% |
| 2023/1 | 27,157 | +11.2% |
| 2022/1 | 24,419 | +8.3% |
| 2021/1 | 22,556 | -2.4% |
| 2020/1 | 23,106 | +12.2% |
| 2019/1 | 20,596 | -3.1% |
| 2018/1 | 21,254 | -5.6% |
| 2017/1 | 22,504 | -5.7% |
| 2016/1 | 23,863 | -34.3% |
| 2015/1 | 36,324 | -7.2% |
| 2014/1 | 39,132 | -13.8% |
| 2013/1 | 45,372 | +9.6% |
| 2012/1 | 41,384 | - |