| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 1Q23 | 15,765 | -28.6% |
| 3Q22 | 19,477 | -0.8% |
| 2Q22 | 20,930 | +19.8% |
| 1Q22 | 22,091 | +32.6% |
| 4Q21 | 17,259 | +7.1% |
| 3Q21 | 19,640 | +23.7% |
| 2Q21 | 17,474 | +53.4% |
| 1Q21 | 16,658 | +3.4% |
| 4Q20 | 16,108 | +4.4% |
| 3Q20 | 15,881 | +13.2% |
| 2Q20 | 11,391 | -26.9% |
| 1Q20 | 16,106 | +5.0% |
| 4Q19 | 15,436 | +0.3% |
| 3Q19 | 14,023 | +20.5% |
| 2Q19 | 15,590 | +5.2% |
| 1Q19 | 15,344 | +11.6% |
| 4Q18 | 15,386 | -4.0% |
| 3Q18 | 11,640 | -14.1% |
| 2Q18 | 14,818 | -0.3% |
| 1Q18 | 13,746 | -2.4% |
| 4Q17 | 16,027 | - |
| 3Q17 | 13,545 | +4.0% |
| 2Q17 | 14,860 | +4.0% |
| 1Q17 | 14,086 | +1.9% |
| 3Q16 | 13,029 | +6.7% |
| 2Q16 | 14,293 | +28.9% |
| 1Q16 | 13,819 | +33.7% |
| 4Q15 | 12,556 | +40.2% |
| 3Q15 | 12,214 | +56.9% |
| 2Q15 | 11,088 | +55.1% |
| 1Q15 | 10,339 | - |
| 4Q14 | 8,957 | - |
| 3Q14 | 7,787 | - |
| 2Q14 | 7,149 | - |