| （単位：千ドル） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q19 | 624,000 | +9.9% |
| 4Q18 | 628,000 | +9.0% |
| 3Q18 | 568,000 | -0.7% |
| 2Q18 | 560,000 | -2.3% |
| 1Q18 | 568,000 | -0.4% |
| 4Q17 | 576,000 | +2.7% |
| 3Q17 | 572,000 | +3.8% |
| 2Q17 | 573,000 | +4.8% |
| 1Q17 | 570,000 | +3.1% |
| 4Q16 | 561,000 | +1.4% |
| 3Q16 | 551,000 | +1.8% |
| 2Q16 | 547,000 | +0.9% |
| 1Q16 | 553,000 | +2.0% |
| 4Q15 | 553,000 | -0.2% |
| 3Q15 | 541,000 | +0.7% |
| 2Q15 | 542,000 | +1.9% |
| 1Q15 | 542,000 | +0.2% |
| 4Q14 | 554,000 | +7.4% |
| 3Q14 | 537,000 | +3.3% |
| 2Q14 | 532,000 | +1.7% |
| 1Q14 | 541,000 | +3.6% |
| 4Q13 | 516,000 | +4.7% |
| 3Q13 | 520,000 | +5.3% |
| 2Q13 | 523,000 | +9.0% |
| 1Q13 | 522,000 | +4.0% |
| 4Q12 | 493,000 | -1.0% |
| 3Q12 | 494,000 | +0.8% |
| 2Q12 | 480,000 | +0.2% |
| 1Q12 | 502,000 | +5.9% |
| 4Q11 | 498,000 | +5.3% |
| 3Q11 | 490,000 | +6.3% |
| 2Q11 | 479,000 | +4.8% |
| 1Q11 | 474,000 | +2.6% |
| 4Q10 | 473,000 | - |
| 3Q10 | 461,000 | - |
| 2Q10 | 457,000 | - |
| 1Q10 | 462,000 | - |