| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 3,731 | +0.8% |
| 3Q25 | 3,325 | +0.3% |
| 2Q25 | 3,110 | -6.5% |
| 1Q25 | 3,418 | -7.0% |
| 4Q24 | 3,703 | -5.5% |
| 3Q24 | 3,315 | -11.5% |
| 2Q24 | 3,327 | -10.8% |
| 1Q24 | 3,675 | -1.0% |
| 4Q23 | 3,918 | -2.7% |
| 3Q23 | 3,746 | +0.1% |
| 2Q23 | 3,730 | -1.2% |
| 1Q23 | 3,711 | -6.7% |
| 4Q22 | 4,026 | -0.5% |
| 3Q22 | 3,741 | -0.7% |
| 2Q22 | 3,777 | -6.1% |
| 1Q22 | 3,976 | +18.6% |
| 4Q21 | 4,048 | +13.8% |
| 3Q21 | 3,767 | +10.8% |
| 2Q21 | 4,024 | +29.4% |
| 1Q21 | 3,352 | +6.3% |
| 4Q20 | 3,556 | -6.1% |
| 3Q20 | 3,400 | +0.6% |
| 2Q20 | 3,109 | +1.5% |
| 1Q20 | 3,152 | -2.5% |
| 4Q19 | 3,788 | +1.2% |
| 3Q19 | 3,380 | +1.1% |
| 2Q19 | 3,064 | -6.4% |
| 1Q19 | 3,232 | -7.4% |
| 4Q18 | 3,742 | -3.5% |
| 3Q18 | 3,343 | -4.6% |
| 2Q18 | 3,272 | -8.6% |
| 1Q18 | 3,490 | -5.6% |
| 4Q17 | 3,878 | -10.2% |
| 3Q17 | 3,504 | -14.5% |
| 2Q17 | 3,578 | - |
| 1Q17 | 3,698 | - |
| 4Q16 | 4,320 | - |
| 3Q16 | 4,096 | - |