| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 4,050 | +17.4% |
| 3Q25 | 3,780 | +11.8% |
| 2Q25 | 3,629 | +9.6% |
| 1Q25 | 3,455 | +5.9% |
| 4Q24 | 3,451 | -2.4% |
| 3Q24 | 3,381 | -0.8% |
| 2Q24 | 3,311 | +3.4% |
| 1Q24 | 3,262 | +5.2% |
| 4Q23 | 3,537 | +12.2% |
| 3Q23 | 3,408 | +5.9% |
| 2Q23 | 3,203 | +6.9% |
| 1Q23 | 3,102 | +8.3% |
| 4Q22 | 3,152 | -1.1% |
| 3Q22 | 3,219 | -5.0% |
| 2Q22 | 2,995 | -9.8% |
| 1Q22 | 2,864 | +1.5% |
| 4Q21 | 3,189 | -17.8% |
| 3Q21 | 3,389 | -11.3% |
| 2Q21 | 3,322 | -15.3% |
| 1Q21 | 2,823 | -24.4% |
| 4Q20 | 3,880 | +4.4% |
| 3Q20 | 3,821 | +2.7% |
| 2Q20 | 3,922 | +2.7% |
| 1Q20 | 3,733 | -2.0% |
| 4Q19 | 3,717 | -2.1% |
| 3Q19 | 3,723 | +2.9% |
| 2Q19 | 3,817 | +1.9% |
| 1Q19 | 3,808 | +6.1% |
| 4Q18 | 3,795 | +5.1% |
| 3Q18 | 3,617 | +4.0% |
| 2Q18 | 3,745 | +6.0% |
| 1Q18 | 3,590 | +11.0% |
| 4Q17 | 3,609 | +10.6% |
| 3Q17 | 3,479 | +8.6% |
| 2Q17 | 3,533 | - |
| 1Q17 | 3,235 | - |
| 4Q16 | 3,264 | - |
| 3Q16 | 3,204 | - |