| （単位：千ドル） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q23 | 216,467 | -3.1% |
| 4Q22 | 218,851 | -7.1% |
| 3Q22 | 217,842 | +2.9% |
| 2Q22 | 217,277 | +3.9% |
| 1Q22 | 223,504 | -3.9% |
| 4Q21 | 235,697 | -7.6% |
| 3Q21 | 211,731 | -9.6% |
| 2Q21 | 209,080 | -13.5% |
| 1Q21 | 232,587 | -20.5% |
| 4Q20 | 254,995 | -19.0% |
| 3Q20 | 234,222 | -19.6% |
| 2Q20 | 241,788 | -18.9% |
| 1Q20 | 292,539 | -4.7% |
| 4Q19 | 314,858 | +2.8% |
| 3Q19 | 291,222 | - |
| 2Q19 | 298,006 | - |
| 1Q19 | 306,882 | - |
| 4Q18 | 306,192 | - |