| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 10,524 | +2.9% |
| 4Q25 | 11,673 | +2.7% |
| 3Q25 | 10,793 | -2.0% |
| 2Q25 | 10,454 | +5.6% |
| 1Q25 | 10,227 | +5.2% |
| 4Q24 | 11,369 | +10.0% |
| 3Q24 | 11,015 | +10.6% |
| 2Q24 | 9,895 | +4.5% |
| 1Q24 | 9,722 | +3.3% |
| 4Q23 | 10,340 | +3.7% |
| 3Q23 | 9,960 | +2.7% |
| 2Q23 | 9,471 | +9.4% |
| 1Q23 | 9,414 | +11.3% |
| 4Q22 | 9,968 | +12.8% |
| 3Q22 | 9,698 | +11.6% |
| 2Q22 | 8,655 | +5.5% |
| 1Q22 | 8,455 | +14.6% |
| 4Q21 | 8,834 | +13.5% |
| 3Q21 | 8,690 | +10.2% |
| 2Q21 | 8,203 | +9.0% |
| 1Q21 | 7,379 | -2.7% |
| 4Q20 | 7,784 | -3.9% |
| 3Q20 | 7,885 | -2.3% |
| 2Q20 | 7,529 | -1.4% |
| 1Q20 | 7,585 | +0.2% |
| 4Q19 | 8,101 | +1.5% |
| 3Q19 | 8,070 | -0.3% |
| 2Q19 | 7,635 | +3.9% |
| 1Q19 | 7,567 | +5.2% |
| 4Q18 | 7,982 | +3.2% |
| 3Q18 | 8,093 | +5.0% |
| 2Q18 | 7,348 | +7.9% |
| 1Q18 | 7,196 | +3.0% |
| 4Q17 | 7,738 | +1.3% |
| 3Q17 | 7,709 | -2.1% |
| 2Q17 | 6,812 | -6.1% |
| 1Q17 | 6,986 | -1.2% |
| 4Q16 | 7,636 | -7.5% |
| 3Q16 | 7,872 | - |
| 2Q16 | 7,257 | - |
| 1Q16 | 7,071 | - |
| 4Q15 | 8,253 | - |