| （単位：千ドル） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q18 | 467,500 | +2.0% |
| 1Q18 | 463,900 | +5.6% |
| 3Q17 | 455,200 | +9.8% |
| 2Q17 | 458,400 | +5.9% |
| 1Q17 | 439,100 | +5.1% |
| 3Q16 | 415,000 | +0.6% |
| 2Q16 | 441,000 | +3.5% |
| 1Q16 | 418,900 | +2.5% |
| 3Q16 | 414,600 | +0.5% |
| 2Q16 | 432,800 | +1.6% |
| 1Q16 | 417,700 | +2.2% |
| 3Q15 | 412,400 | - |
| 2Q15 | 426,100 | - |
| 1Q15 | 408,800 | - |
| 3Q13 | 388,900 | +4.8% |
| 2Q13 | 390,900 | +0.7% |
| 1Q13 | 384,800 | -0.7% |
| 3Q12 | 371,200 | +5.5% |
| 2Q12 | 388,000 | +12.9% |
| 1Q12 | 387,500 | +6.7% |
| 3Q11 | 367,900 | - |
| 2Q11 | 384,500 | - |
| 1Q11 | 363,100 | - |
| 3Q11 | 351,900 | - |
| 2Q11 | 343,800 | - |