| （単位：千ドル） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q20 | 241,161 | -7.7% |
| 3Q20 | 273,338 | -5.7% |
| 2Q20 | 280,403 | -5.4% |
| 1Q20 | 295,853 | +10.8% |
| 4Q19 | 261,212 | - |
| 3Q19 | 289,935 | +481.8% |
| 2Q19 | 296,436 | +500.1% |
| 1Q19 | 267,101 | +428.5% |
| 3Q18 | 49,832 | +2.9% |
| 2Q18 | 49,394 | -16.3% |
| 1Q18 | 50,536 | -7.4% |
| 4Q17 | 52,514 | +5.0% |
| 3Q17 | 48,421 | +12.9% |
| 2Q17 | 58,996 | +14.7% |
| 1Q17 | 54,596 | +23.8% |
| 4Q16 | 50,018 | +13.6% |
| 3Q16 | 42,887 | +19.9% |
| 2Q16 | 51,457 | +15.6% |
| 1Q16 | 44,099 | -19.8% |
| 4Q15 | 44,048 | -19.6% |
| 3Q15 | 35,771 | -8.1% |
| 2Q15 | 44,509 | +3.4% |
| 1Q15 | 54,984 | +23.1% |
| 4Q14 | 54,818 | +25.8% |
| 3Q14 | 38,918 | +6.6% |
| 2Q14 | 43,042 | +9.9% |
| 1Q14 | 44,665 | -4.7% |
| 4Q13 | 43,573 | -7.7% |
| 3Q13 | 36,515 | -2.6% |
| 2Q13 | 39,162 | -11.1% |
| 1Q13 | 46,861 | -4.8% |
| 4Q12 | 47,194 | - |
| 3Q12 | 37,497 | - |
| 2Q12 | 44,031 | - |
| 1Q12 | 49,240 | - |