| （単位：千ドル） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q20 | 42,731 | +3.3% |
| 1Q20 | 41,520 | -0.2% |
| 3Q19 | 40,138 | +1.7% |
| 2Q19 | 41,382 | +5.6% |
| 1Q19 | 41,605 | +6.5% |
| 4Q18 | 40,345 | +14.8% |
| 3Q18 | 39,477 | +17.6% |
| 2Q18 | 39,204 | +16.3% |
| 1Q18 | 39,055 | +18.0% |
| 4Q17 | 35,153 | -7.5% |
| 3Q17 | 33,558 | -2.1% |
| 2Q17 | 33,709 | +8.8% |
| 1Q17 | 33,088 | +2.3% |
| 4Q16 | 38,000 | +19.4% |
| 3Q16 | 34,261 | +12.5% |
| 2Q16 | 30,973 | +20.4% |
| 1Q16 | 32,340 | - |
| 4Q15 | 31,814 | - |
| 3Q15 | 30,456 | - |
| 2Q15 | 25,732 | - |