| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 2,711 | +7.9% |
| 3Q25 | 2,887 | +1.1% |
| 2Q25 | 2,561 | -3.0% |
| 1Q25 | 2,557 | -2.7% |
| 4Q24 | 2,513 | +3.4% |
| 3Q24 | 2,856 | +10.3% |
| 2Q24 | 2,640 | +5.3% |
| 1Q24 | 2,627 | +4.8% |
| 4Q23 | 2,429 | +3.3% |
| 3Q23 | 2,589 | +3.9% |
| 2Q23 | 2,507 | +17.9% |
| 1Q23 | 2,507 | +10.6% |
| 4Q22 | 2,352 | +6.2% |
| 3Q22 | 2,492 | +1.4% |
| 2Q22 | 2,126 | -0.5% |
| 1Q22 | 2,266 | +6.2% |
| 4Q21 | 2,213 | +2.9% |
| 3Q21 | 2,459 | +17.1% |
| 2Q21 | 2,138 | +10.4% |
| 1Q21 | 2,134 | +11.0% |
| 4Q20 | 2,150 | +11.5% |
| 3Q20 | 2,099 | - |
| 2Q20 | 1,936 | - |
| 1Q20 | 1,923 | - |
| 4Q19 | 1,929 | - |