| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 3,667 | -8.9% |
| 3Q25 | 3,353 | -10.4% |
| 2Q25 | 3,446 | -3.6% |
| 1Q25 | 3,428 | -1.1% |
| 4Q24 | 4,024 | -2.7% |
| 3Q24 | 3,741 | +3.3% |
| 2Q24 | 3,576 | -10.4% |
| 1Q24 | 3,466 | -5.8% |
| 4Q23 | 4,134 | +14.9% |
| 3Q23 | 3,622 | +1.4% |
| 2Q23 | 3,989 | +16.3% |
| 1Q23 | 3,681 | +14.2% |
| 4Q22 | 3,598 | +3.7% |
| 3Q22 | 3,571 | +10.8% |
| 2Q22 | 3,430 | +9.6% |
| 1Q22 | 3,222 | +16.8% |
| 4Q21 | 3,469 | +6.7% |
| 3Q21 | 3,222 | +15.8% |
| 2Q21 | 3,129 | +6.5% |
| 1Q21 | 2,759 | -7.4% |
| 4Q20 | 3,250 | -19.5% |
| 3Q20 | 2,782 | -22.7% |
| 2Q20 | 2,938 | -23.6% |
| 1Q20 | 2,979 | -24.5% |
| 4Q19 | 4,038 | -8.8% |
| 3Q19 | 3,600 | -3.9% |
| 2Q19 | 3,848 | -8.3% |
| 1Q19 | 3,947 | +6.4% |
| 4Q18 | 4,428 | +7.2% |
| 3Q18 | 3,745 | -5.8% |
| 2Q18 | 4,196 | -1.4% |
| 1Q18 | 3,709 | +2.3% |
| 4Q17 | 4,131 | -0.1% |
| 3Q17 | 3,976 | +4.9% |
| 2Q17 | 4,256 | +8.7% |
| 1Q17 | 3,627 | -1.4% |
| 4Q16 | 4,134 | -6.0% |
| 3Q16 | 3,792 | - |
| 2Q16 | 3,916 | - |
| 1Q16 | 3,677 | - |
| 4Q15 | 4,396 | - |