| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 3Q19 | 36,000 | +6.5% |
| 2Q19 | 34,400 | -0.9% |
| 1Q19 | 37,500 | +2.5% |
| 4Q18 | 36,700 | -14.3% |
| 3Q18 | 33,800 | -5.6% |
| 2Q18 | 34,700 | -2.3% |
| 1Q18 | 36,600 | +3.4% |
| 4Q17 | 42,800 | +20.9% |
| 3Q17 | 35,800 | +15.5% |
| 2Q17 | 35,500 | +24.6% |
| 1Q17 | 35,400 | +17.6% |
| 4Q16 | 35,400 | -4.3% |
| 3Q16 | 31,000 | +60.6% |
| 2Q16 | 28,500 | +11.3% |
| 1Q16 | 30,100 | +20.9% |
| 4Q15 | 37,000 | +46.2% |
| 3Q15 | 19,300 | -20.9% |
| 2Q15 | 25,600 | +0.4% |
| 1Q15 | 24,900 | +2.0% |
| 4Q14 | 25,300 | +4.5% |
| 3Q14 | 24,400 | +17.3% |
| 2Q14 | 25,500 | +15.4% |
| 1Q14 | 24,400 | +25.8% |
| 4Q13 | 24,200 | -5.8% |
| 3Q13 | 20,800 | +11.2% |
| 2Q13 | 22,100 | +1.8% |
| 1Q13 | 19,400 | -8.9% |
| 4Q12 | 25,700 | -1.9% |
| 3Q12 | 18,700 | -17.3% |
| 2Q12 | 21,700 | -4.8% |
| 1Q12 | 21,300 | +7.6% |
| 4Q11 | 26,200 | - |
| 3Q11 | 22,600 | - |
| 2Q11 | 22,800 | - |
| 1Q11 | 19,800 | - |