| （単位：千ドル） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q18 | 44,842 | -23.7% |
| 3Q18 | 61,559 | +0.8% |
| 2Q18 | 73,218 | +21.6% |
| 1Q18 | 12,139 | -72.5% |
| 4Q17 | 58,780 | +24.5% |
| 3Q17 | 61,088 | +12.8% |
| 2Q17 | 60,227 | +5.4% |
| 1Q17 | 44,154 | +33.2% |
| 4Q16 | 47,216 | +5290.0% |
| 3Q16 | 54,170 | -44.1% |
| 2Q16 | 57,118 | -41.1% |
| 1Q16 | 33,158 | -13.4% |
| 4Q15 | 876 | -95.1% |
| 3Q15 | 96,977 | +44.2% |
| 2Q15 | 96,900 | +64.1% |
| 1Q15 | 38,310 | -44.4% |
| 4Q14 | 17,944 | -81.6% |
| 3Q14 | 67,249 | -27.5% |
| 2Q14 | 59,048 | -21.8% |
| 1Q14 | 68,931 | +16.2% |
| 4Q13 | 97,589 | +65.2% |
| 3Q13 | 92,721 | +45.2% |
| 2Q13 | 75,492 | -12.7% |
| 1Q13 | 59,297 | -16.4% |
| 4Q12 | 59,089 | -14.3% |
| 3Q12 | 63,866 | -4.1% |
| 2Q12 | 86,466 | +51.8% |
| 1Q12 | 70,956 | - |
| 4Q11 | 68,919 | - |
| 3Q11 | 66,599 | - |
| 2Q11 | 56,962 | - |