| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 2,479 | -8.3% |
| 3Q25 | 2,495 | -16.8% |
| 2Q25 | 2,472 | -14.0% |
| 1Q25 | 2,683 | -1.5% |
| 4Q24 | 2,702 | +2.2% |
| 3Q24 | 2,998 | +16.6% |
| 2Q24 | 2,873 | +6.0% |
| 1Q24 | 2,724 | +5.9% |
| 4Q23 | 2,643 | -1.5% |
| 3Q23 | 2,572 | -12.1% |
| 2Q23 | 2,711 | +2.7% |
| 1Q23 | 2,573 | +1.7% |
| 4Q22 | 2,683 | +2.5% |
| 3Q22 | 2,925 | +2.7% |
| 2Q22 | 2,640 | -5.4% |
| 1Q22 | 2,529 | -0.4% |
| 4Q21 | 2,618 | +1.9% |
| 3Q21 | 2,848 | +14.7% |
| 2Q21 | 2,791 | +8.1% |
| 1Q21 | 2,540 | +9.7% |
| 4Q20 | 2,570 | +8.3% |
| 3Q20 | 2,483 | -7.5% |
| 2Q20 | 2,582 | -1.2% |
| 1Q20 | 2,316 | -17.3% |
| 4Q19 | 2,373 | -20.3% |
| 3Q19 | 2,684 | -9.0% |
| 2Q19 | 2,613 | -3.4% |
| 1Q19 | 2,799 | +8.8% |
| 4Q18 | 2,979 | +19.9% |
| 3Q18 | 2,951 | +16.1% |
| 2Q18 | 2,704 | +9.8% |
| 1Q18 | 2,572 | +6.6% |
| 4Q17 | 2,485 | +11.7% |
| 3Q17 | 2,542 | +13.2% |
| 2Q17 | 2,462 | +9.1% |
| 1Q17 | 2,412 | +9.7% |
| 4Q16 | 2,226 | +3.8% |
| 3Q16 | 2,245 | - |
| 2Q16 | 2,257 | - |
| 1Q16 | 2,198 | - |
| 4Q15 | 2,144 | - |