| （単位：千ドル） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q18 | 584,000 | -8.0% |
| 1Q18 | 560,000 | -4.1% |
| 4Q17 | 637,000 | -2.8% |
| 3Q17 | 650,000 | +0.1% |
| 2Q17 | 635,000 | -1.9% |
| 1Q17 | 584,000 | -5.8% |
| 4Q16 | 655,300 | -1.7% |
| 3Q16 | 649,200 | +2.3% |
| 2Q16 | 647,300 | -3.4% |
| 1Q16 | 620,200 | +10.7% |
| 4Q15 | 666,700 | +15.6% |
| 3Q15 | 634,600 | +16.3% |
| 2Q15 | 669,900 | +17.6% |
| 1Q15 | 560,400 | +11.2% |
| 4Q14 | 576,700 | -19.6% |
| 3Q14 | 545,800 | -2.7% |
| 2Q14 | 569,600 | +101.1% |
| 1Q14 | 504,100 | +76.9% |
| 4Q13 | 717,372 | +160.7% |
| 3Q13 | 560,855 | +155.3% |
| 2Q13 | 283,183 | +43.5% |
| 1Q13 | 284,904 | +19.3% |
| 4Q12 | 275,138 | +51.2% |
| 3Q12 | 219,670 | +35.1% |
| 2Q12 | 197,284 | +16.1% |
| 1Q12 | 238,814 | +41.1% |
| 4Q11 | 181,983 | -13.6% |
| 3Q11 | 162,568 | +161.6% |
| 2Q11 | 169,912 | +166.1% |
| 1Q11 | 169,287 | - |
| 4Q10 | 210,648 | - |
| 3Q10 | 62,142 | - |
| 2Q10 | 63,850 | - |