| （単位：千ドル） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q21 | 5,443 | +24.3% |
| 2Q21 | 5,529 | -7.7% |
| 1Q21 | 4,508 | -21.7% |
| 3Q20 | 4,379 | -28.6% |
| 2Q20 | 5,990 | +1.3% |
| 1Q20 | 5,756 | -19.0% |
| 3Q19 | 6,132 | -19.3% |
| 2Q19 | 5,913 | -40.6% |
| 1Q19 | 7,102 | -27.6% |
| 3Q18 | 7,599 | -14.9% |
| 2Q18 | 9,957 | -12.8% |
| 1Q18 | 9,807 | -4.3% |
| 3Q17 | 8,929 | -27.1% |
| 2Q17 | 11,413 | -25.3% |
| 1Q17 | 10,251 | -22.0% |
| 3Q16 | 12,252 | +27.0% |
| 2Q16 | 15,283 | -1.9% |
| 1Q16 | 13,141 | -27.6% |
| 3Q15 | 9,648 | -25.8% |
| 2Q15 | 15,581 | -11.2% |
| 1Q15 | 18,141 | +32.6% |
| 3Q14 | 13,001 | +124.7% |
| 2Q14 | 17,537 | +170.9% |
| 1Q14 | 13,680 | +103.1% |
| 3Q13 | 5,785 | -42.9% |
| 2Q13 | 6,474 | -67.5% |
| 1Q13 | 6,734 | -67.2% |
| 3Q12 | 10,129 | - |
| 2Q12 | 19,901 | - |
| 1Q12 | 20,520 | - |