| （単位：千ドル） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q21 | 342,800 | -25.5% |
| 1Q21 | 349,800 | -26.0% |
| 3Q20 | 475,900 | -2.2% |
| 2Q20 | 460,400 | +2.4% |
| 1Q20 | 472,800 | -1.6% |
| 4Q19 | 518,500 | +3.1% |
| 3Q19 | 486,700 | +2.2% |
| 2Q19 | 449,500 | +11.8% |
| 1Q19 | 480,700 | +21.9% |
| 4Q18 | 503,100 | +21.2% |
| 3Q18 | 476,200 | +21.9% |
| 2Q18 | 402,100 | +10.2% |
| 1Q18 | 394,200 | +14.9% |
| 4Q17 | 415,000 | +8.0% |
| 3Q17 | 390,500 | +1.1% |
| 2Q17 | 364,900 | -3.3% |
| 1Q17 | 343,000 | -11.4% |
| 4Q16 | 384,200 | -18.2% |
| 3Q16 | 386,300 | -21.9% |
| 2Q16 | 377,500 | -18.5% |
| 1Q16 | 387,000 | -19.5% |
| 4Q15 | 469,500 | -5.9% |
| 3Q15 | 494,800 | +4.9% |
| 2Q15 | 463,400 | +13.6% |
| 1Q15 | 480,700 | +21.6% |
| 4Q14 | 498,900 | +1.5% |
| 3Q14 | 471,800 | -1.8% |
| 2Q14 | 408,100 | -5.3% |
| 1Q14 | 395,300 | -9.3% |
| 4Q13 | 491,300 | -6.1% |
| 3Q13 | 480,400 | +10.5% |
| 2Q13 | 430,900 | +24.3% |
| 1Q13 | 435,600 | +30.8% |
| 4Q12 | 523,200 | +28.7% |
| 3Q12 | 434,800 | +11.2% |
| 2Q12 | 346,800 | +6.2% |
| 1Q12 | 333,000 | +10.3% |
| 4Q11 | 406,600 | - |
| 3Q11 | 391,100 | - |
| 2Q11 | 326,500 | - |
| 1Q11 | 301,900 | - |