| （単位：千ドル） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q20 | 350,011 | -11.1% |
| 1Q20 | 359,456 | +1.6% |
| 4Q19 | 403,758 | +2.1% |
| 3Q19 | 405,081 | +4.3% |
| 2Q19 | 393,811 | +8.9% |
| 1Q19 | 353,833 | +3.1% |
| 4Q18 | 395,334 | +4.7% |
| 3Q18 | 388,236 | +6.4% |
| 2Q18 | 361,512 | +13.9% |
| 1Q18 | 343,324 | +15.8% |
| 4Q17 | 377,482 | +17.6% |
| 3Q17 | 364,815 | +21.5% |
| 2Q17 | 317,346 | +12.6% |
| 1Q17 | 296,607 | +9.2% |
| 4Q16 | 321,001 | +10.7% |
| 3Q16 | 300,159 | +6.3% |
| 2Q16 | 281,759 | +9.2% |
| 1Q16 | 271,626 | +8.1% |
| 4Q15 | 290,100 | +0.1% |
| 3Q15 | 282,313 | +2.7% |
| 2Q15 | 258,079 | +6.4% |
| 1Q15 | 251,357 | +11.1% |
| 4Q14 | 289,690 | +22.8% |
| 3Q14 | 274,814 | +22.9% |
| 2Q14 | 242,637 | +13.2% |
| 1Q14 | 226,338 | +3.3% |
| 4Q13 | 235,995 | +4.8% |
| 3Q13 | 223,551 | +11.6% |
| 2Q13 | 214,295 | +11.3% |
| 1Q13 | 219,087 | +12.9% |
| 4Q12 | 225,094 | +10.4% |
| 3Q12 | 200,378 | +5.2% |
| 2Q12 | 192,589 | +9.8% |
| 1Q12 | 193,998 | +13.5% |
| 4Q11 | 203,919 | +12.4% |
| 3Q11 | 190,534 | +13.8% |
| 2Q11 | 175,392 | +9.1% |
| 1Q11 | 170,884 | - |
| 4Q10 | 181,435 | - |
| 3Q10 | 167,439 | - |
| 2Q10 | 160,836 | - |