| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 1Q20 | -48,773 | +82.8% |
| 4Q19 | -25,392 | +63.4% |
| 3Q19 | -30,248 | +35.0% |
| 2Q19 | -24,778 | +59.1% |
| 1Q19 | -26,681 | -21.2% |
| 4Q18 | -15,539 | +8.8% |
| 3Q18 | -22,412 | +34.5% |
| 2Q18 | -15,572 | -50.3% |
| 1Q18 | -33,854 | +27.8% |
| 4Q17 | -14,278 | -48.0% |
| 3Q17 | -16,667 | +15.4% |
| 2Q17 | -31,318 | +45.6% |
| 1Q17 | -26,481 | +3295.0% |
| 4Q16 | -27,484 | -713.2% |
| 3Q16 | -14,445 | -144.0% |
| 2Q16 | -21,510 | -154.7% |
| 1Q16 | -780 | -101.2% |
| 4Q15 | 4,482 | -88.0% |
| 3Q15 | 32,809 | -34.7% |
| 2Q15 | 39,355 | -30.7% |
| 1Q15 | 66,898 | +167.3% |
| 4Q14 | 37,402 | -14.3% |
| 3Q14 | 50,234 | +35.1% |
| 2Q14 | 56,756 | +8.8% |
| 1Q14 | 25,028 | -47.2% |
| 4Q13 | 43,650 | +34.1% |
| 3Q13 | 37,188 | +41.4% |
| 2Q13 | 52,163 | +54.2% |
| 1Q13 | 47,406 | +65.5% |
| 4Q12 | 32,549 | -9.2% |
| 3Q12 | 26,292 | +79.7% |
| 2Q12 | 33,819 | +786.9% |
| 1Q12 | 28,647 | +3776.5% |
| 4Q11 | 35,834 | +91.4% |
| 3Q11 | 14,629 | -66.2% |
| 2Q11 | 3,813 | -89.0% |
| 1Q11 | 739 | - |
| 4Q10 | 18,723 | - |
| 3Q10 | 43,315 | - |
| 2Q10 | 34,517 | - |