| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 3,659 | -2.3% |
| 3Q25 | 3,658 | +7.1% |
| 2Q25 | 3,685 | +10.1% |
| 1Q25 | 3,739 | +14.6% |
| 4Q24 | 3,746 | +11.2% |
| 3Q24 | 3,414 | +9.5% |
| 2Q24 | 3,348 | +7.5% |
| 1Q24 | 3,263 | -0.6% |
| 4Q23 | 3,369 | +3.7% |
| 3Q23 | 3,118 | -1.9% |
| 2Q23 | 3,114 | +7.0% |
| 1Q23 | 3,283 | +17.5% |
| 4Q22 | 3,249 | +23.7% |
| 3Q22 | 3,178 | +34.2% |
| 2Q22 | 2,911 | +30.7% |
| 1Q22 | 2,795 | +28.4% |
| 4Q21 | 2,626 | +16.8% |
| 3Q21 | 2,368 | -1.9% |
| 2Q21 | 2,228 | -2.4% |
| 1Q21 | 2,176 | +6.6% |
| 4Q20 | 2,249 | +15.0% |
| 3Q20 | 2,413 | - |
| 2Q20 | 2,283 | - |
| 1Q20 | 2,042 | - |
| 4Q19 | 1,956 | - |